Attendance by Class Error

I am trying to take attendance by class but am not being allowed to select class yet the account is admin and the profile has ability to take attendance.

Hi James,

If you go to Timetable Admin > Manage Courses & Classes > Edit Course & Classes >
Edit Class for the particular class, does it have Track Attendance turned on?

Otherwise, perhaps if you can post a screenshot it may better illustrate what you’re seeing (or not seeing).