Notice: Use of undefined constant SECTION_COURSES - assumed 'SECTION_COURSES' in /home/kolenggf/public_html/chamilo/main/lp/lp_add_audio.php on line 13

Fatal error: Uncaught Error: Call to undefined function api_protect_course_script() in /home/kolenggf/public_html/chamilo/main/lp/lp_add_audio.php:14 Stack trace: #0 {main} thrown in /home/kolenggf/public_html/chamilo/main/lp/lp_add_audio.php on line 14