mod_fcgid: stderr: PHP Fatal error: Class 'Ai1ec_Time_Utility

I have a debug plugin active, and when searching for in my main site ‘ ‘ i get :

mod_fcgid: stderr: PHP Fatal error: Class ‘Ai1ec_Time_Utility

I no copy of the plugin installed..

https://www.ads-software.com/plugins/all-in-one-event-calendar/