​Can anyone help with error that I get when try to load callcenter module:

2017-05-18 09:48:49.828297 [ERR] mod_callcenter.c:3810 Couldn't register subclass callcenter::info!

2017-05-18 09:48:49.828297 [CRIT] switch_loadable_module.c:1522 Error Loading module /usr/lib/freeswitch/mod/mod_callcenter.so

**Module load routine returned an error**​