Fatal error: Uncaught Error: Interface "MongoDB\Operation\Executable" not found in /home/edepracl/public_html/moodle30/cache/stores/mongodb/MongoDB/Operation/MapReduce.php:43 Stack trace: #0 {main} thrown in /home/edepracl/public_html/moodle30/cache/stores/mongodb/MongoDB/Operation/MapReduce.php on line 43