Fatal error: Uncaught Error: Interface "Moodle\H5PEditorAjaxInterface" not found in C:\xampp\htdocs\laberit01\html\moodle\h5p\classes\editor_ajax.php:40 Stack trace: #0 {main} thrown in C:\xampp\htdocs\laberit01\html\moodle\h5p\classes\editor_ajax.php on line 40