Fatal error: Out of memory (allocated 6291456) (tried to allocate 1906323456 bytes) in D:\www\moodle3\KM\libraries\src\Cache\Controller\CallbackController.php on line 188

Fatal error: Out of memory (allocated 6291456) (tried to allocate 1906323456 bytes) in D:\www\moodle3\KM\libraries\vendor\joomla\registry\src\Registry.php on line 89