[Help]i got a very strange proplem

[cocorawsha]

i got very strange proplem when i put my ip the client tells me server dat has been damged and when i put any server ip it work without proplems if someone tell me download another client i download another client or put 127.0.0.1 on server dat i do it but the proplem still so can anyone give me an program or way to fix this?

[Beta Limit]

what client version you need? If its for 5017/5016 i can help if its for the binaries client i cant