Notice: Use of undefined constant ADD_THEMATIC_PLAN - assumed 'ADD_THEMATIC_PLAN' in /home/kolenggf/public_html/chamilo/main/course_progress/thematic_plan.php on line 23
Fatal error: Uncaught Error: Class 'Display' not found in /home/kolenggf/public_html/chamilo/main/course_progress/thematic_plan.php:33
Stack trace:
#0 {main}
thrown in /home/kolenggf/public_html/chamilo/main/course_progress/thematic_plan.php on line 33