diff --git a/src/game/BattleGround.cpp b/src/game/BattleGround.cpp
index 2dfd9c557..aff08dc79 100644
--- a/src/game/BattleGround.cpp
+++ b/src/game/BattleGround.cpp
@@ -1048,7 +1048,7 @@ void BattleGround::Reset()
     m_Events = 0;
 
     if (m_InvitedAlliance > 0 || m_InvitedHorde > 0)
-        sLog.outError("BattleGround system ERROR: bad counter, m_InvitedAlliance: %d, m_InvitedHorde: %d", m_InvitedAlliance, m_InvitedHorde);
+        sLog.outError("BattleGround system: bad counter, m_InvitedAlliance: %d, m_InvitedHorde: %d", m_InvitedAlliance, m_InvitedHorde);
 
     m_InvitedAlliance = 0;
     m_InvitedHorde = 0;
@@ -1460,7 +1460,7 @@ Creature* BattleGround::AddCreature(uint32 entry, uint32 type, uint32 teamval, f
 
     if(!pCreature->IsPositionValid())
     {
-        sLog.outError("ERROR: Creature (guidlow %d, entry %d) not added to battleground. Suggested coordinates isn't valid (X: %f Y: %f)",pCreature->GetGUIDLow(),pCreature->GetEntry(),pCreature->GetPositionX(),pCreature->GetPositionY());
+        sLog.outError("Creature (guidlow %d, entry %d) not added to battleground. Suggested coordinates isn't valid (X: %f Y: %f)",pCreature->GetGUIDLow(),pCreature->GetEntry(),pCreature->GetPositionX(),pCreature->GetPositionY());
         return NULL;
     }
 
diff --git a/src/game/Corpse.cpp b/src/game/Corpse.cpp
index 5dc0be3e6..cf1f11bd8 100644
--- a/src/game/Corpse.cpp
+++ b/src/game/Corpse.cpp
@@ -76,7 +76,7 @@ bool Corpse::Create( uint32 guidlow, Player *owner)
 
     if(!IsPositionValid())
     {
-        sLog.outError("ERROR: Corpse (guidlow %d, owner %s) not created. Suggested coordinates isn't valid (X: %f Y: %f)",
+        sLog.outError("Corpse (guidlow %d, owner %s) not created. Suggested coordinates isn't valid (X: %f Y: %f)",
             guidlow,owner->GetName(),owner->GetPositionX(), owner->GetPositionY());
         return false;
     }
@@ -153,7 +153,7 @@ bool Corpse::LoadFromDB(uint32 guid, QueryResult *result)
 
     if( ! result )
     {
-        sLog.outError("ERROR: Corpse (GUID: %u) not found in table `corpse`, can't load. ",guid);
+        sLog.outError("Corpse (GUID: %u) not found in table `corpse`, can't load. ",guid);
         return false;
     }
 
@@ -181,7 +181,7 @@ bool Corpse::LoadFromDB(uint32 guid, Field *fields)
 
     if(!LoadValues( fields[5].GetString() ))
     {
-        sLog.outError("ERROR: Corpse #%d have broken data in `data` field. Can't be loaded.",guid);
+        sLog.outError("Corpse #%d have broken data in `data` field. Can't be loaded.",guid);
         return false;
     }
 
@@ -189,7 +189,7 @@ bool Corpse::LoadFromDB(uint32 guid, Field *fields)
     m_type             = CorpseType(fields[7].GetUInt32());
     if(m_type >= MAX_CORPSE_TYPE)
     {
-        sLog.outError("ERROR: Corpse (guidlow %d, owner %d) have wrong corpse type, not load.",GetGUIDLow(),GUID_LOPART(GetOwnerGUID()));
+        sLog.outError("Corpse (guidlow %d, owner %d) have wrong corpse type, not load.",GetGUIDLow(),GUID_LOPART(GetOwnerGUID()));
         return false;
     }
     uint32 instanceid  = fields[8].GetUInt32();
@@ -206,7 +206,7 @@ bool Corpse::LoadFromDB(uint32 guid, Field *fields)
 
     if(!IsPositionValid())
     {
-        sLog.outError("ERROR: Corpse (guidlow %d, owner %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",
+        sLog.outError("Corpse (guidlow %d, owner %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",
             GetGUIDLow(),GUID_LOPART(GetOwnerGUID()),GetPositionX(),GetPositionY());
         return false;
     }
diff --git a/src/game/Creature.cpp b/src/game/Creature.cpp
index 2d9a48981..08225da43 100644
--- a/src/game/Creature.cpp
+++ b/src/game/Creature.cpp
@@ -1252,7 +1252,7 @@ bool Creature::CreateFromProto(uint32 guidlow, uint32 Entry, uint32 team, const
     CreatureInfo const *cinfo = objmgr.GetCreatureTemplate(Entry);
     if(!cinfo)
     {
-        sLog.outErrorDb("Error: creature entry %u does not exist.", Entry);
+        sLog.outErrorDb("Creature entry %u does not exist.", Entry);
         return false;
     }
     m_originalEntry = Entry;
@@ -1295,7 +1295,7 @@ bool Creature::LoadFromDB(uint32 guid, Map *map)
 
     if(!IsPositionValid())
     {
-        sLog.outError("ERROR: Creature (guidlow %d, entry %d) not loaded. Suggested coordinates isn't valid (X: %f Y: %f)",GetGUIDLow(),GetEntry(),GetPositionX(),GetPositionY());
+        sLog.outError("Creature (guidlow %d, entry %d) not loaded. Suggested coordinates isn't valid (X: %f Y: %f)",GetGUIDLow(),GetEntry(),GetPositionX(),GetPositionY());
         return false;
     }
 
diff --git a/src/game/DynamicObject.cpp b/src/game/DynamicObject.cpp
index e41f41668..2fb5473cd 100644
--- a/src/game/DynamicObject.cpp
+++ b/src/game/DynamicObject.cpp
@@ -59,7 +59,7 @@ bool DynamicObject::Create( uint32 guidlow, Unit *caster, uint32 spellId, uint32
 
     if(!IsPositionValid())
     {
-        sLog.outError("ERROR: DynamicObject (spell %u eff %u) not created. Suggested coordinates isn't valid (X: %f Y: %f)",spellId,effIndex,GetPositionX(),GetPositionY());
+        sLog.outError("DynamicObject (spell %u eff %u) not created. Suggested coordinates isn't valid (X: %f Y: %f)",spellId,effIndex,GetPositionX(),GetPositionY());
         return false;
     }
 
diff --git a/src/game/GameObject.cpp b/src/game/GameObject.cpp
index 9ebed58ac..ab98b6e85 100644
--- a/src/game/GameObject.cpp
+++ b/src/game/GameObject.cpp
@@ -97,7 +97,7 @@ bool GameObject::Create(uint32 guidlow, uint32 name_id, Map *map, uint32 phaseMa
 
     if(!IsPositionValid())
     {
-        sLog.outError("ERROR: Gameobject (GUID: %u Entry: %u ) not created. Suggested coordinates isn't valid (X: %f Y: %f)",guidlow,name_id,x,y);
+        sLog.outError("Gameobject (GUID: %u Entry: %u ) not created. Suggested coordinates isn't valid (X: %f Y: %f)",guidlow,name_id,x,y);
         return false;
     }
 
@@ -560,7 +560,7 @@ bool GameObject::LoadFromDB(uint32 guid, Map *map)
 
     if( !data )
     {
-        sLog.outErrorDb("ERROR: Gameobject (GUID: %u) not found in table `gameobject`, can't load. ",guid);
+        sLog.outErrorDb("Gameobject (GUID: %u) not found in table `gameobject`, can't load. ",guid);
         return false;
     }
 
diff --git a/src/game/Item.cpp b/src/game/Item.cpp
index d7632e233..473fc3ddb 100644
--- a/src/game/Item.cpp
+++ b/src/game/Item.cpp
@@ -348,7 +348,7 @@ bool Item::LoadFromDB(uint32 guid, uint64 owner_guid, QueryResult *result)
 
     if (!result)
     {
-        sLog.outError("ERROR: Item (GUID: %u owner: %u) not found in table `item_instance`, can't load. ",guid,GUID_LOPART(owner_guid));
+        sLog.outError("Item (GUID: %u owner: %u) not found in table `item_instance`, can't load. ",guid,GUID_LOPART(owner_guid));
         return false;
     }
 
@@ -356,7 +356,7 @@ bool Item::LoadFromDB(uint32 guid, uint64 owner_guid, QueryResult *result)
 
     if(!LoadValues(fields[0].GetString()))
     {
-        sLog.outError("ERROR: Item #%d have broken data in `data` field. Can't be loaded.",guid);
+        sLog.outError("Item #%d have broken data in `data` field. Can't be loaded.",guid);
         if (delete_result) delete result;
         return false;
     }
diff --git a/src/game/Level2.cpp b/src/game/Level2.cpp
index 7f36b1777..d7ffa56d2 100644
--- a/src/game/Level2.cpp
+++ b/src/game/Level2.cpp
@@ -1102,7 +1102,7 @@ bool ChatHandler::HandleNpcAddCommand(const char* args)
 
     if(!pCreature->IsPositionValid())
     {
-        sLog.outError("ERROR: Creature (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",pCreature->GetGUIDLow(),pCreature->GetEntry(),pCreature->GetPositionX(),pCreature->GetPositionY());
+        sLog.outError("Creature (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",pCreature->GetGUIDLow(),pCreature->GetEntry(),pCreature->GetPositionX(),pCreature->GetPositionY());
         delete pCreature;
         return false;
     }
@@ -2903,7 +2903,7 @@ bool ChatHandler::HandleWpModifyCommand(const char* args)
 
             if(!wpCreature->IsPositionValid())
             {
-                sLog.outError("ERROR: Creature (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",wpCreature->GetGUIDLow(),wpCreature->GetEntry(),wpCreature->GetPositionX(),wpCreature->GetPositionY());
+                sLog.outError("Creature (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",wpCreature->GetGUIDLow(),wpCreature->GetEntry(),wpCreature->GetPositionX(),wpCreature->GetPositionY());
                 delete wpCreature;
             }
             else
@@ -3025,7 +3025,7 @@ bool ChatHandler::HandleWpModifyCommand(const char* args)
 
                 if(!wpCreature2->IsPositionValid())
                 {
-                    sLog.outError("ERROR: Creature (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",wpCreature2->GetGUIDLow(),wpCreature2->GetEntry(),wpCreature2->GetPositionX(),wpCreature2->GetPositionY());
+                    sLog.outError("Creature (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",wpCreature2->GetGUIDLow(),wpCreature2->GetEntry(),wpCreature2->GetPositionX(),wpCreature2->GetPositionY());
                     delete wpCreature2;
                     return false;
                 }
@@ -3331,7 +3331,7 @@ bool ChatHandler::HandleWpShowCommand(const char* args)
 
             if(!wpCreature->IsPositionValid())
             {
-                sLog.outError("ERROR: Creature (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",wpCreature->GetGUIDLow(),wpCreature->GetEntry(),wpCreature->GetPositionX(),wpCreature->GetPositionY());
+                sLog.outError("Creature (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",wpCreature->GetGUIDLow(),wpCreature->GetEntry(),wpCreature->GetPositionX(),wpCreature->GetPositionY());
                 delete wpCreature;
                 delete result;
                 return false;
@@ -3389,7 +3389,7 @@ bool ChatHandler::HandleWpShowCommand(const char* args)
 
         if(!pCreature->IsPositionValid())
         {
-            sLog.outError("ERROR: Creature (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",pCreature->GetGUIDLow(),pCreature->GetEntry(),pCreature->GetPositionX(),pCreature->GetPositionY());
+            sLog.outError("Creature (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",pCreature->GetGUIDLow(),pCreature->GetEntry(),pCreature->GetPositionX(),pCreature->GetPositionY());
             delete pCreature;
             delete result;
             return false;
@@ -3449,7 +3449,7 @@ bool ChatHandler::HandleWpShowCommand(const char* args)
 
         if(!pCreature->IsPositionValid())
         {
-            sLog.outError("ERROR: Creature (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",pCreature->GetGUIDLow(),pCreature->GetEntry(),pCreature->GetPositionX(),pCreature->GetPositionY());
+            sLog.outError("Creature (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",pCreature->GetGUIDLow(),pCreature->GetEntry(),pCreature->GetPositionX(),pCreature->GetPositionY());
             delete pCreature;
             delete result;
             return false;
diff --git a/src/game/Map.cpp b/src/game/Map.cpp
index ad9bb65d3..5dc157d5f 100644
--- a/src/game/Map.cpp
+++ b/src/game/Map.cpp
@@ -1737,7 +1737,7 @@ bool Map::CheckGridIntegrity(Creature* c, bool moved) const
     Cell xy_cell(xy_val);
     if(xy_cell != cur_cell)
     {
-        sLog.outError("ERROR: %s (GUID: %u) X: %f Y: %f (%s) in grid[%u,%u]cell[%u,%u] instead grid[%u,%u]cell[%u,%u]",
+        sLog.outError("%s (GUID: %u) X: %f Y: %f (%s) in grid[%u,%u]cell[%u,%u] instead grid[%u,%u]cell[%u,%u]",
             (c->GetTypeId()==TYPEID_PLAYER ? "Player" : "Creature"),c->GetGUIDLow(),
             c->GetPositionX(),c->GetPositionY(),(moved ? "final" : "original"),
             cur_cell.GridX(), cur_cell.GridY(), cur_cell.CellX(), cur_cell.CellY(),
@@ -1946,7 +1946,7 @@ void Map::RemoveAllObjectsInRemoveList()
             {
                 Corpse* corpse = ObjectAccessor::Instance().GetCorpse(*obj, obj->GetGUID());
                 if (!corpse)
-                    sLog.outError("ERROR: Try delete corpse/bones %u that not in map", obj->GetGUIDLow());
+                    sLog.outError("Try delete corpse/bones %u that not in map", obj->GetGUIDLow());
                 else
                     Remove(corpse,true);
                 break;
diff --git a/src/game/Object.cpp b/src/game/Object.cpp
index 486d5b214..571cb4826 100644
--- a/src/game/Object.cpp
+++ b/src/game/Object.cpp
@@ -1017,7 +1017,7 @@ void Object::RemoveByteFlag( uint16 index, uint8 offset, uint8 oldFlag )
 
 bool Object::PrintIndexError(uint32 index, bool set) const
 {
-    sLog.outError("ERROR: Attempt %s non-existed value field: %u (count: %u) for object typeid: %u type mask: %u",(set ? "set value to" : "get value from"),index,m_valuesCount,GetTypeId(),m_objectType);
+    sLog.outError("Attempt %s non-existed value field: %u (count: %u) for object typeid: %u type mask: %u",(set ? "set value to" : "get value from"),index,m_valuesCount,GetTypeId(),m_objectType);
 
     // assert must fail after function call
     return false;
@@ -1457,7 +1457,7 @@ Creature* WorldObject::SummonCreature(uint32 id, float x, float y, float z, floa
 
     if(!pCreature->IsPositionValid())
     {
-        sLog.outError("ERROR: Creature (guidlow %d, entry %d) not summoned. Suggested coordinates isn't valid (X: %f Y: %f)",pCreature->GetGUIDLow(),pCreature->GetEntry(),pCreature->GetPositionX(),pCreature->GetPositionY());
+        sLog.outError("Creature (guidlow %d, entry %d) not summoned. Suggested coordinates isn't valid (X: %f Y: %f)",pCreature->GetGUIDLow(),pCreature->GetEntry(),pCreature->GetPositionX(),pCreature->GetPositionY());
         delete pCreature;
         return NULL;
     }
diff --git a/src/game/ObjectAccessor.cpp b/src/game/ObjectAccessor.cpp
index 25dcffd44..eb39a388b 100644
--- a/src/game/ObjectAccessor.cpp
+++ b/src/game/ObjectAccessor.cpp
@@ -404,7 +404,7 @@ ObjectAccessor::ConvertCorpseForPlayer(uint64 player_guid, bool insignia)
     {
         //in fact this function is called from several places
         //even when player doesn't have a corpse, not an error
-        //sLog.outError("ERROR: Try remove corpse that not in map for GUID %ul", player_guid);
+        //sLog.outError("Try remove corpse that not in map for GUID %ul", player_guid);
         return NULL;
     }
 
diff --git a/src/game/Pet.cpp b/src/game/Pet.cpp
index 0b2c31e77..0f7121750 100644
--- a/src/game/Pet.cpp
+++ b/src/game/Pet.cpp
@@ -146,7 +146,7 @@ bool Pet::LoadPetFromDB( Player* owner, uint32 petentry, uint32 petnumber, bool
 
     if(!IsPositionValid())
     {
-        sLog.outError("ERROR: Pet (guidlow %d, entry %d) not loaded. Suggested coordinates isn't valid (X: %f Y: %f)",
+        sLog.outError("Pet (guidlow %d, entry %d) not loaded. Suggested coordinates isn't valid (X: %f Y: %f)",
             GetGUIDLow(), GetEntry(), GetPositionX(), GetPositionY());
         delete result;
         return false;
@@ -704,7 +704,7 @@ bool Pet::CreateBaseAtCreature(Creature* creature)
 {
     if(!creature)
     {
-        sLog.outError("CRITICAL ERROR: NULL pointer parsed into CreateBaseAtCreature()");
+        sLog.outError("CRITICAL: NULL pointer parsed into CreateBaseAtCreature()");
         return false;
     }
     uint32 guid=objmgr.GenerateLowGuid(HIGHGUID_PET);
@@ -721,7 +721,7 @@ bool Pet::CreateBaseAtCreature(Creature* creature)
 
     if(!IsPositionValid())
     {
-        sLog.outError("ERROR: Pet (guidlow %d, entry %d) not created base at creature. Suggested coordinates isn't valid (X: %f Y: %f)",
+        sLog.outError("Pet (guidlow %d, entry %d) not created base at creature. Suggested coordinates isn't valid (X: %f Y: %f)",
             GetGUIDLow(), GetEntry(), GetPositionX(), GetPositionY());
         return false;
     }
@@ -729,7 +729,7 @@ bool Pet::CreateBaseAtCreature(Creature* creature)
     CreatureInfo const *cinfo = GetCreatureInfo();
     if(!cinfo)
     {
-        sLog.outError("ERROR: CreateBaseAtCreature() failed, creatureInfo is missing!");
+        sLog.outError("CreateBaseAtCreature() failed, creatureInfo is missing!");
         return false;
     }
 
@@ -771,7 +771,7 @@ bool Pet::InitStatsForLevel(uint32 petlevel)
     Unit* owner = GetOwner();
     if(!owner)
     {
-        sLog.outError("ERROR: attempt to summon pet (Entry %u) without owner! Attempt terminated.", cinfo->Entry);
+        sLog.outError("attempt to summon pet (Entry %u) without owner! Attempt terminated.", cinfo->Entry);
         return false;
     }
 
diff --git a/src/game/Player.cpp b/src/game/Player.cpp
index 277149e5a..57c832272 100644
--- a/src/game/Player.cpp
+++ b/src/game/Player.cpp
@@ -4231,7 +4231,7 @@ uint32 Player::DurabilityRepair(uint16 pos, bool cost, float discountMod, bool g
             DurabilityCostsEntry const *dcost = sDurabilityCostsStore.LookupEntry(ditemProto->ItemLevel);
             if(!dcost)
             {
-                sLog.outError("ERROR: RepairDurability: Wrong item lvl %u", ditemProto->ItemLevel);
+                sLog.outError("RepairDurability: Wrong item lvl %u", ditemProto->ItemLevel);
                 return TotalCost;
             }
 
@@ -4239,7 +4239,7 @@ uint32 Player::DurabilityRepair(uint16 pos, bool cost, float discountMod, bool g
             DurabilityQualityEntry const *dQualitymodEntry = sDurabilityQualityStore.LookupEntry(dQualitymodEntryId);
             if(!dQualitymodEntry)
             {
-                sLog.outError("ERROR: RepairDurability: Wrong dQualityModEntry %u", dQualitymodEntryId);
+                RepairDurabilitRepairDurability: Wrong dQualityModEntry %u", dQualitymodEntryId);
                 return TotalCost;
             }
 
@@ -4482,7 +4482,7 @@ float Player::GetBaseModValue(BaseModGroup modGroup, BaseModType modType) const
 {
     if(modGroup >= BASEMOD_END || modType > MOD_END)
     {
-        sLog.outError("ERROR: trial to access non existed BaseModGroup or wrong BaseModType!");
+        sLog.outError("trial to access non existed BaseModGroup or wrong BaseModType!");
         return 0.0f;
     }
 
@@ -4496,7 +4496,7 @@ float Player::GetTotalBaseModValue(BaseModGroup modGroup) const
 {
     if(modGroup >= BASEMOD_END)
     {
-        sLog.outError("ERROR: wrong BaseModGroup in GetTotalBaseModValue()!");
+        sLog.outError("wrong BaseModGroup in GetTotalBaseModValue()!");
         return 0.0f;
     }
 
@@ -5507,7 +5507,7 @@ void Player::CheckExploreSystem()
 
     if(offset >= 128)
     {
-        sLog.outError("ERROR: Wrong area flag %u in map data for (X: %f Y: %f) point to field PLAYER_EXPLORED_ZONES_1 + %u ( %u must be < 128 ).",areaFlag,GetPositionX(),GetPositionY(),offset,offset);
+        sLog.outError("Wrong area flag %u in map data for (X: %f Y: %f) point to field PLAYER_EXPLORED_ZONES_1 + %u ( %u must be < 128 ).",areaFlag,GetPositionX(),GetPositionY(),offset,offset);
         return;
     }
 
@@ -14026,7 +14026,7 @@ bool Player::MinimalLoadFromDB( QueryResult *result, uint32 guid )
 
     if(!LoadValues( fields[1].GetString()))
     {
-        sLog.outError("ERROR: Player #%d have broken data in `data` field. Can't be loaded for character list.",GUID_LOPART(guid));
+        sLog.outError("Player #%d have broken data in `data` field. Can't be loaded for character list.",GUID_LOPART(guid));
         if(delete_result) delete result;
         return false;
     }
@@ -14189,7 +14189,7 @@ bool Player::LoadFromDB( uint32 guid, SqlQueryHolder *holder )
 
     if(!result)
     {
-        sLog.outError("ERROR: Player (GUID: %u) not found in table `characters`, can't load. ",guid);
+        sLog.outError("Player (GUID: %u) not found in table `characters`, can't load. ",guid);
         return false;
     }
 
@@ -14201,7 +14201,7 @@ bool Player::LoadFromDB( uint32 guid, SqlQueryHolder *holder )
     // player should be able to load/delete character only with correct account!
     if( dbAccountId != GetSession()->GetAccountId() )
     {
-        sLog.outError("ERROR: Player (GUID: %u) loading from wrong account (is: %u, should be: %u)",guid,GetSession()->GetAccountId(),dbAccountId);
+        sLog.outError("Player (GUID: %u) loading from wrong account (is: %u, should be: %u)",guid,GetSession()->GetAccountId(),dbAccountId);
         delete result;
         return false;
     }
@@ -14220,7 +14220,7 @@ bool Player::LoadFromDB( uint32 guid, SqlQueryHolder *holder )
 
     if(!LoadValues( fields[2].GetString()))
     {
-        sLog.outError("ERROR: Player #%d have broken data in `data` field. Can't be loaded.",GUID_LOPART(guid));
+        sLog.outError("Player #%d have broken data in `data` field. Can't be loaded.",GUID_LOPART(guid));
         delete result;
         return false;
     }
@@ -14298,7 +14298,7 @@ bool Player::LoadFromDB( uint32 guid, SqlQueryHolder *holder )
 
     if(!IsPositionValid())
     {
-        sLog.outError("ERROR: Player (guidlow %d) have invalid coordinates (X: %f Y: %f Z: %f O: %f). Teleport to default race/class locations.",guid,GetPositionX(),GetPositionY(),GetPositionZ(),GetOrientation());
+        sLog.outError("Player (guidlow %d) have invalid coordinates (X: %f Y: %f Z: %f O: %f). Teleport to default race/class locations.",guid,GetPositionX(),GetPositionY(),GetPositionZ(),GetOrientation());
         RelocateToHomebind();
 
         transGUID = 0;
@@ -14374,7 +14374,7 @@ bool Player::LoadFromDB( uint32 guid, SqlQueryHolder *holder )
             // transport size limited
             m_movementInfo.t_x > 50 || m_movementInfo.t_y > 50 || m_movementInfo.t_z > 50 )
         {
-            sLog.outError("ERROR: Player (guidlow %d) have invalid transport coordinates (X: %f Y: %f Z: %f O: %f). Teleport to default race/class locations.",
+            sLog.outError("Player (guidlow %d) have invalid transport coordinates (X: %f Y: %f Z: %f O: %f). Teleport to default race/class locations.",
                 guid,GetPositionX()+m_movementInfo.t_x,GetPositionY()+m_movementInfo.t_y,
                 GetPositionZ()+m_movementInfo.t_z,GetOrientation()+m_movementInfo.t_o);
 
@@ -14412,7 +14412,7 @@ bool Player::LoadFromDB( uint32 guid, SqlQueryHolder *holder )
 
         if(!m_transport)
         {
-            sLog.outError("ERROR: Player (guidlow %d) have problems with transport guid (%u). Teleport to default race/class locations.",
+            sLog.outError("Player (guidlow %d) have problems with transport guid (%u). Teleport to default race/class locations.",
                 guid,transGUID);
 
             RelocateToHomebind();
diff --git a/src/game/SpellEffects.cpp b/src/game/SpellEffects.cpp
index 4a76ff9dc..d77138a31 100644
--- a/src/game/SpellEffects.cpp
+++ b/src/game/SpellEffects.cpp
@@ -3272,7 +3272,7 @@ void Spell::EffectSummon(uint32 i)
 
     if(!spawnCreature->IsPositionValid())
     {
-        sLog.outError("ERROR: Pet (guidlow %d, entry %d) not summoned. Suggested coordinates isn't valid (X: %f Y: %f)",
+        sLog.outError("Pet (guidlow %d, entry %d) not summoned. Suggested coordinates isn't valid (X: %f Y: %f)",
             spawnCreature->GetGUIDLow(), spawnCreature->GetEntry(), spawnCreature->GetPositionX(), spawnCreature->GetPositionY());
         delete spawnCreature;
         return;
@@ -3705,7 +3705,7 @@ void Spell::EffectSummonGuardian(uint32 i)
 
         if(!spawnCreature->IsPositionValid())
         {
-            sLog.outError("ERROR: Pet (guidlow %d, entry %d) not created base at creature. Suggested coordinates isn't valid (X: %f Y: %f)",
+            sLog.outError("Pet (guidlow %d, entry %d) not created base at creature. Suggested coordinates isn't valid (X: %f Y: %f)",
                 spawnCreature->GetGUIDLow(), spawnCreature->GetEntry(), spawnCreature->GetPositionX(), spawnCreature->GetPositionY());
             delete spawnCreature;
             return;
@@ -4176,7 +4176,7 @@ void Spell::EffectSummonPet(uint32 i)
 
     if(!NewSummon->IsPositionValid())
     {
-        sLog.outError("ERROR: Pet (guidlow %d, entry %d) not summoned. Suggested coordinates isn't valid (X: %f Y: %f)",
+        sLog.outError("Pet (guidlow %d, entry %d) not summoned. Suggested coordinates isn't valid (X: %f Y: %f)",
             NewSummon->GetGUIDLow(), NewSummon->GetEntry(), NewSummon->GetPositionX(), NewSummon->GetPositionY());
         delete NewSummon;
         return;
@@ -5945,7 +5945,7 @@ void Spell::EffectSummonCritter(uint32 i)
 
     if(!critter->IsPositionValid())
     {
-        sLog.outError("ERROR: Pet (guidlow %d, entry %d) not summoned. Suggested coordinates isn't valid (X: %f Y: %f)",
+        sLog.outError("sLog.outError("Pet (guidlow %d, entry %d) not summoned. Suggested coordinates isn't valid (X: %f Y: %f)",
             critter->GetGUIDLow(), critter->GetEntry(), critter->GetPositionX(), critter->GetPositionY());
         delete critter;
         return;
diff --git a/src/game/Transports.cpp b/src/game/Transports.cpp
index 6f6178694..c095a8c34 100644
--- a/src/game/Transports.cpp
+++ b/src/game/Transports.cpp
@@ -147,7 +147,7 @@ bool Transport::Create(uint32 guidlow, uint32 mapid, float x, float y, float z,
 
     if(!IsPositionValid())
     {
-        sLog.outError("ERROR: Transport (GUID: %u) not created. Suggested coordinates isn't valid (X: %f Y: %f)",
+        sLog.outError("Transport (GUID: %u) not created. Suggested coordinates isn't valid (X: %f Y: %f)",
             guidlow,x,y);
         return false;
     }
diff --git a/src/game/Unit.cpp b/src/game/Unit.cpp
index 09713b88f..479fd9ee9 100644
--- a/src/game/Unit.cpp
+++ b/src/game/Unit.cpp
@@ -9775,7 +9775,7 @@ float Unit::GetModifierValue(UnitMods unitMod, UnitModifierType modifierType) co
 {
     if( unitMod >= UNIT_MOD_END || modifierType >= MODIFIER_TYPE_END)
     {
-        sLog.outError("ERROR: trial to access non existed modifier value from UnitMods!");
+        sLog.outError("trial to access non existed modifier value from UnitMods!");
         return 0.0f;
     }
 
@@ -9805,7 +9805,7 @@ float Unit::GetTotalAuraModValue(UnitMods unitMod) const
 {
     if(unitMod >= UNIT_MOD_END)
     {
-        sLog.outError("ERROR: trial to access non existed UnitMods in GetTotalAuraModValue()!");
+        sLog.outError("trial to access non existed UnitMods in GetTotalAuraModValue()!");
         return 0.0f;
     }
 
@@ -11235,7 +11235,7 @@ Pet* Unit::CreateTamedPetFrom(Creature* creatureTarget,uint32 spell_id)
 
     if(!pet->InitStatsForLevel(level))
     {
-        sLog.outError("ERROR: Pet::InitStatsForLevel() failed for creature (Entry: %u)!",creatureTarget->GetEntry());
+        sLog.outError("Pet::InitStatsForLevel() failed for creature (Entry: %u)!",creatureTarget->GetEntry());
         delete pet;
         return NULL;
     }
diff --git a/src/game/WaypointManager.cpp b/src/game/WaypointManager.cpp
index d8a641cc3..469a837cb 100644
--- a/src/game/WaypointManager.cpp
+++ b/src/game/WaypointManager.cpp
@@ -108,10 +108,10 @@ void WaypointManager::Load()
         {
             QueryResult *result1 = WorldDatabase.PQuery("SELECT id, map FROM creature WHERE guid = '%u'", id);
             if(result1)
-                sLog.outErrorDb("ERROR: Creature (guidlow %d, entry %d) have invalid coordinates in his waypoint %d (X: %f, Y: %f).",
+                sLog.outErrorDb("Creature (guidlow %d, entry %d) have invalid coordinates in his waypoint %d (X: %f, Y: %f).",
                     id, result1->Fetch()[0].GetUInt32(), point, node.x, node.y);
             else
-                sLog.outErrorDb("ERROR: Waypoint path %d, have invalid coordinates in his waypoint %d (X: %f, Y: %f).",
+                sLog.outErrorDb("Waypoint path %d, have invalid coordinates in his waypoint %d (X: %f, Y: %f).",
                     id, point, node.x, node.y);
 
             MaNGOS::NormalizeMapCoord(node.x);
@@ -327,7 +327,7 @@ void WaypointManager::CheckTextsExistance(std::set<int32>& ids)
                 {
                     if (!objmgr.GetMangosStringLocale(be->textid[j]))
                     {
-                        sLog.outErrorDb("ERROR: Some waypoint has textid%u with not existing %u text.", j, be->textid[j]);
+                        sLog.outErrorDb("Some waypoint has textid%u with not existing %u text.", j, be->textid[j]);
                         be->textid[j] = 0;
                         ++zeroCount;
                         continue;
diff --git a/src/game/debugcmds.cpp b/src/game/debugcmds.cpp
index 35f587ff5..5d6cf7c6d 100644
--- a/src/game/debugcmds.cpp
+++ b/src/game/debugcmds.cpp
@@ -564,7 +564,7 @@ bool ChatHandler::HandleDebugSpawnVehicle(const char* args)
 
     if(!v->IsPositionValid())
     {
-        sLog.outError("ERROR: Vehicle (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",
+        sLog.outError("Vehicle (guidlow %d, entry %d) not created. Suggested coordinates isn't valid (X: %f Y: %f)",
             v->GetGUIDLow(), v->GetEntry(), v->GetPositionX(), v->GetPositionY());
         delete v;
         return false;
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index f90ef5652..8bb3b7f78 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "7505"
+ #define REVISION_NR "7506"
 #endif // __REVISION_NR_H__