Core/Conditions: Allow CONDITION_NONE to be used without a script if NegativeCondition is 1

sql/updates/world/master/2026_03_11_00_world.sql

@@ -0,0 +1,8 @@
+DELETE FROM `player_racestats` WHERE `race` IN (86,91);
+INSERT INTO `player_racestats` (`race`,`str`,`agi`,`sta`,`inte`,`spi`) VALUES
+(86,0,0,0,0,0),
+(91,0,0,0,0,0);
+
+DELETE FROM `conditions` WHERE `SourceTypeOrReferenceId`=34 AND `SourceEntry`=139903;
+INSERT INTO `conditions` (`SourceTypeOrReferenceId`,`SourceEntry`,`NegativeCondition`,`Comment`) VALUES
+(34,139903,1,'PlayerCondition 139903 - BLOCK MISSING');

src/server/game/Conditions/ConditionMgr.cpp

@@ -2167,9 +2167,9 @@ bool ConditionMgr::isConditionTypeValid(Condition* cond) const
     {
         case CONDITION_NONE:
         {
-            if (!cond->ScriptId)
+            if (!cond->NegativeCondition && !cond->ScriptId)
             {
-                TC_LOG_ERROR("sql.sql", "{} must have a `ScriptName` in `condition` table, ignoring.", *cond);
+                TC_LOG_ERROR("sql.sql", "{} must have `NegativeCondition` or `ScriptName` in `condition` table, ignoring.", *cond);
                 return false;
             }
             break;