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-rw-r--r--src/game/GroupHandler.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/game/GroupHandler.cpp b/src/game/GroupHandler.cpp
index 90281c15ed7..5f384aa1d8d 100644
--- a/src/game/GroupHandler.cpp
+++ b/src/game/GroupHandler.cpp
@@ -551,6 +551,9 @@ void WorldSession::HandleGroupChangeSubGroupOpcode( WorldPacket & recv_data )
/** error handling **/
if(!group->IsLeader(GetPlayer()->GetGUID()) && !group->IsAssistant(GetPlayer()->GetGUID()))
return;
+
+ if (!group->HasFreeSlotSubGroup(groupNr))
+ return;
/********************/
// everything's fine, do it