error 31_9 After change a sound file? HELP.

Hello first of all i use the CFREZ 3.0 , this file is here in forum.

Long time ago i was playing Crossfire with other Weapons sound and it works.

Now i try it again because i wanna play and allways this error , error 31_9.


Can anyone help me Please? are modding sounds Fixed nowdays?

you need a bypass 31_9 (hack) because of the anti cheat.