PVS 7.6: Upgrade Error "A system error as occurred error 0x00000103. No more data is available"

Performed an unattended upgrade from PVS 6.1 = PVS 7.6. Then when attempting to promote a version from Maintenance in the 7.6 farm the following error appears in the PVS Console:"Error: a system error as occurred error 0x00000103. No more data is available" It doesn’t matter if the disk has the 7...