Tips to aid in troubleshooting Time Slicing job failures and errors
Resolution
Check if other jobs appear to be running okay
Check the bg-ca.logs and bg-system.logs for the time frame the issue occurred for specific blobcrack errors
Is the Administration - Time Slices page up-to-date or behind? (It should all be caught up by the frequency of the scheduled Time Slicing job). If the job is supposed to run every minute, then the "Last Run Date" should be reflecting the closely to that frequency
Try scheduling the Time Slicing job again and see if it runs to completion