After the vCenter and the vSAN upgrades to 8.0.2 and 8 the backup solutions stopped Backing up.
vCenter 8.0.2
vSAN 8
Veritas versions prior to 10.4
Veritas versions prior to 10.4 were incompatible with the vCenter 8.0.2 and vSAN 8.
Veritas NetBackup ™ Enterprise Server and Server 8.0 - 8.x.x OS Software Compatibility List
Upgraded the Veritas version from 10.3 to 10.4+ Issue Resolved.
Backup solution compatibility is fine and Stable.