Backup failing with 23

Hi Team,

Backup getting failed with 23 after long writing.

Master/Media version 7.5

Client:

Solaris, Solaris_x86_10_64
7.5.0
NetBackup
7.5
750000
/usr/openv/netbackup/bin
SunOS 5.10

Pls find details attached.

Thanks in advance.