From the error I guess you can make it work yourself: 1) go to Deployed report sheets and unhide that sheet 2) go to the Gradebook and select a different sheet 3) hide that report sheet again
Will fix this bug of course.
From the error I guess you can make it work yourself:
1) go to Deployed report sheets and unhide that sheet
2) go to the Gradebook and select a different sheet
3) hide that report sheet again
Will fix this bug of course.