Fatal error: Uncaught Error: Class "core_courseformat\output\local\content\section\availability" not found in C:\Apache24\htdocs\moodle\course\format\classes\output\local\content\cm\availability.php:42 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\moodle\course\format\classes\output\local\content\cm\availability.php on line 42