error/data/fieldnotmatched
From MoodleDocs
When importing database entries via CSV file, the field names in the top row of your file must match exactly the names of the fields in your database activity. Note that they are also case sensitive.
Note: You are currently viewing documentation for Moodle 3.1. Up-to-date documentation for the latest stable version of Moodle is probably available here: error/data/fieldnotmatched.
