TS1627: OS X: Resetting Sync ServicesLearn about OS X: Resetting Sync Services
Currently Being ModeratedJul 4, 2013 8:04 AM (in response to Jetjuice)
I have an article that can help you troubleshoot this issue a little further and can provide you with some more steps to take in attempting to resolve this issue:
That article has an extensive list of steps to perform in attempting to get the calendar to sync again, and those steps should help you resolve the issue. Thanks for using the Apple Support Communities!