Hey People Of The Forums, Im Working On A Core For My Server And I Am Getting This Error When Executing A Command: 17-11-14 [16:58:38] [Server thread/CRITICAL]: Unhandled exception executing command 'friend' in friend: Undefined offset: 0 2017-11-14 [16:58:38] [Server thread/CRITICAL]: ErrorException: "Undefined offset: 0" (EXCEPTION) in "BPECore/src/BPECore/System/FriendSystem" at line 25 Code: [24] if($sender instanceof Player){ [25] if($args[0] == null){ [26] $sender->sendMessage("§7---< §6Friend Commands §7>---"); I Don't Know How To Fix This But If Anyone Could Help I Would Appreciate It