[arsalahmed786]

Then try to delete the whole game server and re assign it. 
THIS ONLY IF YOU ARE SURE THAT THE ANOTHER MTA:SA SERVER WORKING FINE

bro i think there is port problem

because here is 2 IP to assign 1 my VPS ip and 1 is local "127.0.0.1" which idk why but with this ip any server working but i think only local.

but when i tried to this on my 2nd MTA:SA server. Server get started without error just due to local ip i can't join

and when i use back to main IP showing error even i tried many ports. anyone pls help me. i'm damn sure it due to port.