I need to delete a scale that was configured incorrectly, (as well as others that should no longer be used), however it has been used and grades with this scale have been given to different users, in different courses, at a production site with a number considerable number of courses and users, how can I from the administration correct this problem to eliminate it or restore it to 0 assignment which in this case would be the same, if there is a solution please, I would be grateful, from Cuba, atte.
Moodle version (4.1)
sorry for my english, i am spanish speaker and use "google translate"