Nightly Sync Not Working

[cowen_3]

My nightly sync from Canvas to PowerSchool is not working.  I have linked my categories between them and if I do a manual grade sync it works fine with no errors.  I checked the setting in grade sync and the setting is enabled, but in the history there is no attempt that it tried to sync.  There are no errors saying there was an issue, just the history of the grade syncs that I manually started.