Can not execute event observer '\tool_monitor\eventobservers::process_event'
- line 164 of /lib/classes/event/manager.php: call to debugging()
- line 75 of /lib/classes/event/manager.php: call to core\event\manager::process_buffers()
- line 834 of /lib/classes/event/base.php: call to core\event\manager::dispatch()
- line 3797 of /course/lib.php: call to core\event\base->trigger()
- line 92 of /index.php: call to course_view()
