create a course and add `scorm package` course module. delete the course module and notice `\core_course\task\course_delete_modules` is added on mdl_task_adhoc go to mdl_scorm and manually delete the course module run cron it will show a message similar to this: Adhoc task failed: core_course\task\course_delete_modules,Coding error detected, it must be fixed by a programmer: The course module 2 could not be deleted. #0 /var/www/moodle.test/html/course/classes/task/course_delete_modules.php(66): course_delete_module() #1 /var/www/moodle.test/html/lib/cronlib.php(341): core_course\task\course_delete_modules->execute() #2 /var/www/moodle.test/html/lib/cronlib.php(198): cron_run_inner_adhoc_task() #3 /var/www/moodle.test/html/lib/cronlib.php(76): cron_run_adhoc_tasks() #4 /var/www/moodle.test/html/admin/cli/cron.php(178): cron_run() #5 {main} Expected outcome: Adhoc task complete: core_course\task\course_delete_modules Actual outcome: Adhoc task failed: core_course\task\course_delete_modules,Coding error detected, it must be fixed by a programmer