How to fix "Exceptional error" ?

[JOOX]

How to fix "Exceptional Error" at the character selection ?
I use other client. help please... thank you. :*:

 

[PyroSamurai]

Don't use other client if not a capable dev. Problem fixed -.-

 

[JOOX]

how to hex for use other client?

 

[sengi123]

how to hex for use other client?

answer is so hard it think

because libconfig.dat is so sensitive only change 1 byte it will show error
i am looking the way for bypass this (hope we will make a guide for this).

 

[huandream]

some time internet speed slow "Exceptional error"