What is this? I have acc.so module loaded but still getting this error. I am running opensip 1.11


root@sip:~# opensips -c -f /etc/opensips/opensips.cfg
Aug 14 10:42:49 [7180] CRITICAL:core:yyerror: parse error in config file /etc/opensips/opensips.cfg, line 252, column 31-32: unknown command <acc_rad_request>, missing loadmodule?
Aug 14 10:42:49 [7180] CRITICAL:core:yyerror: parse error in config file /etc/opensips/opensips.cfg, line 259, column 31-32: unknown command <acc_rad_request>, missing loadmodule?
Aug 14 10:42:49 [7180] CRITICAL:core:yyerror: parse error in config file /etc/opensips/opensips.cfg, line 266, column 31-32: unknown command <acc_rad_request>, missing loadmodule?
Aug 14 10:42:49 [7180] CRITICAL:core:yyerror: parse error in config file /etc/opensips/opensips.cfg, line 273, column 31-32: unknown command <acc_rad_request>, missing loadmodule?
Aug 14 10:42:49 [7180] CRITICAL:core:yyerror: parse error in config file /etc/opensips/opensips.cfg, line 280, column 31-32: unknown command <acc_rad_request>, missing loadmodule?
Aug 14 10:42:49 [7180] ERROR:core:main: bad config file (5 errors)