how to fix This error
Unhandled Exception: System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary. at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at Game.Network.ClientPacket.PROTOCOL_SHOP_BUY_ITEM_REQ.RunImpl() in C:\Users\amr20\Downloads\Compressed\pb-master\Game\Network\ClientPacket\PROTOCOL_SHOP_BUY_ITEM_REQ.cs:line 44
at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()