Plugin error.

Hello. Does anyone know how to fix this error?

L 10/11/2017 - 00:09:17: Start of error session.
L 10/11/2017 - 00:09:17: Info (map "de_world") (file "addons/amxmodx/logs/error_20171011.log")
L 10/11/2017 - 00:09:17: [AMXX] Displaying debug trace (plugin "steam_bonus.amxx", version "1.2")
L 10/11/2017 - 00:09:17: [AMXX] Run time error 4: index out of bounds
L 10/11/2017 - 00:09:17: [AMXX] [0] colorchat.inc::ColorChat (line 53)
L 10/11/2017 - 00:09:17: [AMXX] [1] wq1269u2.sma.p::WelcomeMessage (line 84)

 steam_bonus.sma ( 2,98 килобайт ) Кол-во скачиваний: 6

/del