error/moodle/filereferenceproblem
From MoodleDocs
Possible use of a filename containing ; or }
See https://tracker.moodle.org/browse/MDL-79017 for workaround
Note: You are currently viewing documentation for Moodle 4.3. Up-to-date documentation for the latest stable version of Moodle may be available here: error/moodle/filereferenceproblem.
