Note: You are currently viewing documentation for Moodle 3.11. Up-to-date documentation for the latest stable version of Moodle may be available here: error/moodle/cannotmapfield.

error/moodle/cannotmapfield

From MoodleDocs

Accompanied with the message "Mapping collision detected - two fields maps to the same grade item xxxxx". Frequently, this means that a csv file is being rejected as the header fields are not in a format that Moodle accepts, or the header row is mismatched.