Client crash and go back to login screen. [UNKNOWN HEADER: xx,]

[alin2894 15]

Hi all, I'm getting this error only in channel 1: 

SYSERR: May 12 08:44:46 :: Process: UNKNOWN HEADER: 79, LAST HEADER: 254(0), REMAIN BYTES: 14, fd: 19

Client crash and go back to login screen.

Can someone help me, please?

Thanks in advance!

[NoFr1ends 915]

Maybe you are using the wrong Client for your game core. 

If you are using the source check the headers and the packet structs in both sources(Client and Server) for mismatch