diff --git a/src/game/ObjectMgr.cpp b/src/game/ObjectMgr.cpp
index a59fc8857..ca0b9184e 100644
--- a/src/game/ObjectMgr.cpp
+++ b/src/game/ObjectMgr.cpp
@@ -671,7 +671,9 @@ void ObjectMgr::LoadCreatureTemplates()
         }
 
         // use below code for 0-checks for unit_class
-        if (/*!cInfo->unit_class ||*/cInfo->unit_class && ((1 << (cInfo->unit_class-1)) & CLASSMASK_ALL_CREATURES) == 0)
+        if (!cInfo->unit_class)
+            ERROR_DB_STRICT_LOG("Creature (Entry: %u) not has proper unit_class(%u) for creature_template", cInfo->Entry, cInfo->unit_class);
+        else if (((1 << (cInfo->unit_class-1)) & CLASSMASK_ALL_CREATURES) == 0)
             sLog.outErrorDb("Creature (Entry: %u) has invalid unit_class(%u) for creature_template", cInfo->Entry, cInfo->unit_class);
 
         if(cInfo->dmgschool >= MAX_SPELL_SCHOOL)
@@ -2067,12 +2069,13 @@ void ObjectMgr::LoadItemPrototypes()
         {
             if (proto->Quality > ITEM_QUALITY_EPIC || proto->Quality < ITEM_QUALITY_UNCOMMON)
             {
-                sLog.outErrorDb("Item (Entry: %u) has unexpected RequiredDisenchantSkill (%u) for non-disenchantable quality (%u), reset it.",i,proto->RequiredDisenchantSkill,proto->Quality);
+                ERROR_DB_STRICT_LOG("Item (Entry: %u) has unexpected RequiredDisenchantSkill (%u) for non-disenchantable quality (%u), reset it.",i,proto->RequiredDisenchantSkill,proto->Quality);
                 const_cast<ItemPrototype*>(proto)->RequiredDisenchantSkill = -1;
             }
             else if (proto->Class != ITEM_CLASS_WEAPON && proto->Class != ITEM_CLASS_ARMOR)
             {
-                sLog.outErrorDb("Item (Entry: %u) has unexpected RequiredDisenchantSkill (%u) for non-disenchantable item class (%u), reset it.",i,proto->RequiredDisenchantSkill,proto->Class);
+                // some wrong data in wdb for unused items
+                ERROR_DB_STRICT_LOG("Item (Entry: %u) has unexpected RequiredDisenchantSkill (%u) for non-disenchantable item class (%u), reset it.",i,proto->RequiredDisenchantSkill,proto->Class);
                 const_cast<ItemPrototype*>(proto)->RequiredDisenchantSkill = -1;
             }
         }
@@ -2095,6 +2098,12 @@ void ObjectMgr::LoadItemPrototypes()
                 const_cast<ItemPrototype*>(proto)->DisenchantID = 0;
             }
         }
+        else
+        {
+            // lot DB cases
+            if (proto->RequiredDisenchantSkill >= 0)
+                ERROR_DB_STRICT_LOG("Item (Entry: %u) marked as disenchantable by RequiredDisenchantSkill, but not have disenchanting loot id.",i);
+        }
 
         if(proto->FoodType >= MAX_PET_DIET)
         {
@@ -5930,11 +5939,10 @@ inline void CheckGOLinkedTrapId(GameObjectInfo const* goInfo,uint32 dataN,uint32
             sLog.outErrorDb("Gameobject (Entry: %u GoType: %u) have data%d=%u but GO (Entry %u) have not GAMEOBJECT_TYPE_TRAP (%u) type.",
             goInfo->id,goInfo->type,N,dataN,dataN,GAMEOBJECT_TYPE_TRAP);
     }
-    /* disable check for while (too many error reports baout not existed in trap templates
     else
-        sLog.outErrorDb("Gameobject (Entry: %u GoType: %u) have data%d=%u but trap GO (Entry %u) not exist in `gameobject_template`.",
+        // too many error reports about not existed trap templates
+        ERROR_DB_STRICT_LOG("Gameobject (Entry: %u GoType: %u) have data%d=%u but trap GO (Entry %u) not exist in `gameobject_template`.",
             goInfo->id,goInfo->type,N,dataN,dataN);
-    */
 }
 
 inline void CheckGOSpellId(GameObjectInfo const* goInfo,uint32 dataN,uint32 N)
diff --git a/src/mangosd/mangosd.conf.dist.in b/src/mangosd/mangosd.conf.dist.in
index 673ed2a12..f5ba807ed 100644
--- a/src/mangosd/mangosd.conf.dist.in
+++ b/src/mangosd/mangosd.conf.dist.in
@@ -246,6 +246,7 @@ CleanCharacterDB = 1
 #    LogFilter_TransportMoves
 #    LogFilter_VisibilityChanges
 #    LogFilter_Weather
+#    LogFilter_DbStrictedCheck
 #        Log filters (active by default)
 #        Default: 1 - not include with any log level
 #                 0 - include in log if log level permit
@@ -333,6 +334,16 @@ LogFilter_AchievementUpdates = 1
 LogFilter_CreatureMoves = 1
 LogFilter_TransportMoves = 1
 LogFilter_VisibilityChanges = 1
+LogFilter_Weather = 1
+LogFilter_DbStrictedCheck = 1
+LogFilter_PeriodicAffects = 0
+LogFilter_PlayerMoves = 0
+LogFilter_SQLText = 0
+LogFilter_AIAndMovegens = 0
+LogFilter_PlayerStats = 0
+LogFilter_Damage = 0
+LogFilter_Combat = 0
+LogFilter_SpellCast = 0
 WorldLogFile = ""
 WorldLogTimestamp = 0
 DBErrorLogFile = "DBErrors.log"
diff --git a/src/shared/Log.cpp b/src/shared/Log.cpp
index 05fe2525b..ebeee267d 100644
--- a/src/shared/Log.cpp
+++ b/src/shared/Log.cpp
@@ -47,6 +47,7 @@ LogFilterData logFilterData[LOG_FILTER_COUNT] =
     { "damage",              "LogFilter_Damage",             false },
     { "combat",              "LogFilter_Combat",             false },
     { "spell_cast",          "LogFilter_SpellCast",          false },
+    { "db_stricted_check",   "LogFilter_DbStrictedCheck",    true  },
 };
 
 enum LogType
diff --git a/src/shared/Log.h b/src/shared/Log.h
index 44dca6220..e1eb66a1b 100644
--- a/src/shared/Log.h
+++ b/src/shared/Log.h
@@ -49,9 +49,10 @@ enum LogFilters
     LOG_FILTER_DAMAGE             = 0x0400,                 // Direct/Area damage trace
     LOG_FILTER_COMBAT             = 0x0800,                 // attack states/roll attack results/etc
     LOG_FILTER_SPELL_CAST         = 0x1000,                 // spell cast/aura apply/spell proc events
+    LOG_FILTER_DB_STRICTED_CHECK  = 0x2000,                 // stricted DB data checks output (with possible false reports) for DB devs
 };
 
-#define LOG_FILTER_COUNT            13
+#define LOG_FILTER_COUNT            14
 
 struct LogFilterData
 {
@@ -212,6 +213,13 @@ class Log : public MaNGOS::Singleton<Log, MaNGOS::ClassLevelLockable<Log, ACE_Th
     if (sLog.HasLogLevelOrHigher(LOG_LVL_DEBUG) && (sLog.getLogFilter() & (F))==0) \
         sLog.outDebug(__VA_ARGS__)
 
+#define ERROR_DB_FILTER_LOG(F,...) \
+    if ((sLog.getLogFilter() & (F))==0) \
+        sLog.outErrorDb(__VA_ARGS__)
+
+#define ERROR_DB_STRICT_LOG(...) \
+    ERROR_DB_FILTER_LOG(LOG_FILTER_DB_STRICTED_CHECK, __VA_ARGS__)
+
 // primary for script library
 void MANGOS_DLL_SPEC outstring_log(const char * str, ...) ATTR_PRINTF(1,2);
 void MANGOS_DLL_SPEC detail_log(const char * str, ...) ATTR_PRINTF(1,2);
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index 74b5e1649..1dc065b59 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 "10023"
+ #define REVISION_NR "10024"
 #endif // __REVISION_NR_H__