An admin user 'installed' the attendance plugin, and a teacher user is unable to add it to her course. When she attempts to edit the course and add the activity, after choosing save and return to course or save and display, we receive this error.
Without debugging turned on, the user gets 'course or activity not accessible.'
With debugging turned on, this becomes
I was unable to find any discrepancy in dir and file permissions. To the best of my knowledge, the course is not hidden, and the attendance activity is set to show in course. Please help.
Moodle 3.11.3