gistfile1.diff

diff --git a/src/game/BattleGround.cpp b/src/game/BattleGround.cpp
index 792345f..a849ffb 100644
--- a/src/game/BattleGround.cpp
+++ b/src/game/BattleGround.cpp
@@ -285,7 +285,11 @@ BattleGround::~BattleGround()
         DelObject(i);
 
     sBattleGroundMgr.RemoveBattleGround(GetInstanceID(), GetTypeID());
-    sBattleGroundMgr.DeleteClientVisibleInstanceId(GetTypeID(), GetBracketId(), GetClientInstanceID());
+
+    // skip template battlegrounds
+    BattleGroundBracketId bracket_id = GetBracketId();
+    if (bracket_id < MAX_BATTLEGROUND_BRACKETS)
+        sBattleGroundMgr.DeleteClientVisibleInstanceId(GetTypeID(), bracket_id, GetClientInstanceID());
 
     // unload map
     // map can be null at bg destruction