String [summaryof,core] is deprecated. Either you should no longer be using that string, or the string has been incorrectly deprecated, in which case you should report this as a bug. Please refer to https://moodledev.io/general/projects/api/string-deprecation
line 397 of /lib/classes/string_manager_standard.php: call to debugging()
line 7001 of /lib/moodlelib.php: call to core_string_manager_standard->get_string()
Warning: getimagesize(/mnt/data/moodledata/data/filedir/c0/71/c0715d71fb75505e7ca361361f40f892983f8f41): Failed to open stream: No such file or directory in /var/www/html/moodle452/lib/filestorage/file_system.php on line 410
