[Fr33m@n]

Why ?

Originally Posted by alfred-valve The following commands are blocked from a server running them on you if cl_filterstuffcmd is set (some are always blocked right now also) alias connect retry set* bind unbund unbindall quit "_restart" kill exit exec writecfg cl_filterstuffcmd ex_interp say developer timerefresh rate cd fps_max speak_enabled voice_enable setinfo sensitivity sys_ticrate removedemo volume mp3volume cl_* gl_* m_* r_* hud_*

yeah amx_langmenu use client_cmd setinfo and soon it will be blocked.
Because soon cl_filterstuffcmd will have 1 by default.

maybe it's time to react guys :
https://github.com/ValveSoftware/halflife/issues/390