Error: Start date may not be changed because attendance exists for at least one date in the Term
We resolved this issue in version 7.77.245, patch 9. Download and install the latest patch, which contains all fixes from previous patches. If you are running an older version, download and install the latest version and then the patch.
Duplicated in version 7.60.250.0024 ; Reported in version 7.52.32.0004 ; Duplicated in version 7.52.32.0007