Warning: rename(C:\Moodle31\server\moodledata/cache/cachestore_file/default_application/core_coursecattree/beb-cache/a28mTKsxfM.689440607c9dc6.91638474.temp,C:\Moodle31\server\moodledata/cache/cachestore_file/default_application/core_coursecattree/beb-cache/beb5a6743e0e71fdb4398bf29f29e1efa23093af.cache): Access is denied. (code: 5) in C:\Moodle31\server\moodle\cache\stores\file\lib.php on line 722