I think this time you forgot to start the discussion in Celerra Support Forum .You may still move this discussion to the right forum (From Actions > Move )
If you are running NAS Code 5.6 (and your SPs are in sync with NTP ) you may expect this error as the SP time is not getting synced with the CS (as per primus) . You may try searching this error in support.emc.com, you will find a primus solution.
This issue is resolved in NAS Code 6.0.