When you will connect to the sv, appears this error:
L 09/14/2018 - 16:26
2: Function is not present (function "check_player") (plugin "amxbans_main.amxx")
L 09/14/2018 - 16:26
2: [AMXX] Displaying debug trace (plugin "amxbans_main.amxx", version "Gm 1.6")
L 09/14/2018 - 16:26
2: [AMXX] Run time error 10: native error (native "set_task")
L 09/14/2018 - 16:26
2: [AMXX] [0] amxbans_main.sma::client_authorized (line 289)