Execute adhoc task: core_course\task\course_delete_modules 

... started 17:45:06. Current memory use 10.1MB. 

instantiating backup controller f3804386fb1f367e9249808329542ddc 

setting controller status to 100 

loading controller plan 

setting controller status to 300 

applying plan defaults 

setting controller status to 400 

setting file inclusion to 1 

checking plan security 

setting controller status to 700 

saving controller to db 

calculating controller checksum c71b6339053f549d06603c988da53e0d 

loading controller from db 

notifying plan about excluded activities by type 

setting controller status to 800 

setting controller status to 1000 

saving controller to db 

Default exception handler: Coding error detected, it must be fixed by a programmer: A lock was created but not released at: 

[dirroot]/lib/classes/task/manager.php on line 424 

Code should look like: 

$factory = \core\lock\lock_config::get_lock_factory('type'); 

$lock = $factory->get_lock(Resource id #1940); 

$lock->release(); // Locks must ALWAYS be released like this. 

Debug: 

Error code: codingerror 

* line 117 of /lib/classes/lock/lock.php: coding_exception thrown 

* line 129 of /lib/cronlib.php: call to core\lock\lock->__destruct() 

* line 61 of /admin/cli/cron.php: call to cron_run() 

!!! Coding error detected, it must be fixed by a programmer: A lock was created but not released at: 

[dirroot]/lib/classes/task/manager.php on line 424 

Code should look like: 

$factory = \core\lock\lock_config::get_lock_factory('type'); 

$lock = $factory->get_lock(Resource id #1940); 

$lock->release(); // Locks must ALWAYS be released like this. 

!!! 

!! 

Error code: codingerror !! 

!! Stack trace: * line 117 of /lib/classes/lock/lock.php: coding_exception thrown 

* line 129 of /lib/cronlib.php: call to core\lock\lock->__destruct() 

* line 61 of /admin/cli/cron.php: call to cron_run() 

!!