call back must be a function

[khaledatef2002]

call back must be a function

[Luka967]

Ogar is very outdated. Use OgarII or MultiOgar-Edited instead.
Aside from it being outdated, you're probably using a newer version of node.js which broke Ogar.

[Faris90]

Change https://github.com/OgarProject/Ogar/blob/master/src/GameServer.js#L205 to function connectionEstablished(ws, req) {
Change https://github.com/OgarProject/Ogar/blob/master/src/GameServer.js#L219 to var origin = req.headers.origin;
c) Change https://github.com/OgarProject/Ogar/blob/master/src/gameserver.ini#L28 to serverDiscardForeignClients = 0