If you incremental schedule is correct they should run. If you are doing a cold backup and you go outside the window they will not run. Try hot catalog backups.
http://support.veritas.com/docs/277787
How to configure Hot Catalog Backups with Veritas NetBackup (tm) 6.0.
http://support.veritas.com/docs/278610
DOCUMENTATION: VERITAS NetBackup (tm) 6.0 "Hot Catalog Backup" will not include the jobs database. The jobs database will restart with a JobID of 1 after a Hot Catalog Backup recovery.
client backup failed to read the file list(67)"
http://forums.symantec.com/discussions/thread.jspa?threadID=73018&tstart=0
status 67 attempts to initiat (client backup failed read list)
http://seer.entsupport.symantec.com/docs/282744.htm