Warning: rename(C:\Moodle31\server\moodledata/cache/cachestore_file/default_application/core_coursecattree/09a-cache/1HFjCMcRle.68942b64d06c64.91638475.temp,C:\Moodle31\server\moodledata/cache/cachestore_file/default_application/core_coursecattree/09a-cache/09a5c7c3ebaaf8468a1f9bf1aafa15ca1c24afea.cache): Access is denied. (code: 5) in C:\Moodle31\server\moodle\cache\stores\file\lib.php on line 722