Execute adhoc task: core_course\task\course_delete_modules
... started 22:39:07. Current memory use 40.4mb.
... used 10 dbqueries
... used 0.0064718723297119 seconds
Adhoc task failed: core_course\task\course_delete_modules,Coding error detected, it must be fixed by a programmer: The course module 8389 could not be deleted. #0 /var/www/html/moodle/course/classes/task/course_delete_modules.php(66): course_delete_module('8389')
#1 /var/www/html/moodle/lib/cronlib.php(272): core_course\task\course_delete_modules->execute()
#2 /var/www/html/moodle/lib/cronlib.php(155): cron_run_inner_adhoc_task(Object(core_course\task\course_delete_modules))
#3 /var/www/html/moodle/lib/cronlib.php(76): cron_run_adhoc_tasks(1577025542)
#4 /var/www/html/moodle/admin/cli/cron.php(61): cron_run()
#5 {main}
