Windows 2008 and 156 snapshot errors

Hello,

We have a  windows 2008   server that is receiving 156 snapshot errors. The open file backup for VSS is selected.

I have the bpcd and bpfis logs attached can any point the possible issue with these backup failures?

Hardware info

Windows 2008 client media server

Netbackup 7.1 client

Nbu Master server version 7.5

Thanks in advance!