error/moodle/erroreditgroup
From MoodleDocs
Moodle Error - ErrorEditGroup
Error comment: Can be caused by missing or corrupt mdl_groups_ tables. Solution: Verify an/or repair mdl_groups_ tables.
Moodle Group Tables
mdl_groups, mdl_groups_courses_groupings, mdl_groups_courses_groups, mdl_groups_groupings, mdl_groups_groupings_groups, mdl_groups_members, mdl_group_membership
link Moodle Tracker Article #[https://tracker.moodle.org/browse/MDL-11879 MDL-11879]
JTM