Error 0x2160015: A backup error.

2021-08-06T10:10:00:695-04:00 3748 I00000000: -----
2021-08-06T10:10:00:695-04:00 3748 I00000000: ATI Demon started. Version: 24.7.1.38530.
2021-08-06T10:10:00:843-04:00 3748 I00640000: Backup reserve copy attributes: format tib; need_reserve_backup_copy false; 
2021-08-06T10:10:00:844-04:00 3748 I00640002: Operation My disks started by schedule.
2021-08-06T10:10:01:249-04:00 3748 I00640000: Backup reserve copy attributes: format tib; need_reserve_backup_copy false; 
2021-08-06T10:10:01:249-04:00 3748 I013C0000: Operation: Backup
2021-08-06T10:10:01:250-04:00 3748 I0064000B: Priority changed to High.
2021-08-06T13:03:54:205-04:00 3748 E02160015: Error 0x2160015: A backup error.
| trace level: error
| line: 0xa340ffd3416335cf
| file: c:\jenkins_agent\workspace\mod-disk-backup\650\product\core\da_api\backup.cpp:353
| function: da_backup::Commit
| line: 0xa340ffd3416335cf, c:\jenkins_agent\workspace\mod-disk-backup\650\product\core\da_api\backup.cpp:353, da_backup::Commit
| $module: disk_backup_vs_650
|
| error 0x70030: The backup has been created but its data is inconsistent with the source. Backup will be automatically restarted.
| line: 0x1c981e20c1c9f1bb
| file: c:\jenkins_agent\workspace\mod-disk-backup\650\product\core\resizer\archive3\backup.cpp:533
| function: resizer::Archive3ImageBuilder::CommitBackup
| line: 0x1c981e20c1c9f1bb, c:\jenkins_agent\workspace\mod-disk-backup\650\product\core\resizer\archive3\backup.cpp:533, resizer::Archive3ImageBuilder::CommitBackup
| $module: disk_backup_vs_650
|
| error 0x10c482: A fatal error occurred while reading the snapshot. The snapshot was canceled by the system. See system logs for details.
| line: 0x3fec04e376b89f08
| file: c:\jenkins_agent\workspace\mod-disk-backup\650\product\core\fdisk\win_snapshot.cpp:530
| function: win_snapshot_volume::IoOp
| line: 0x3fec04e376b89f08, c:\jenkins_agent\workspace\mod-disk-backup\650\product\core\fdisk\win_snapshot.cpp:530, win_snapshot_volume::IoOp
| $module: disk_backup_vs_650
|
| error 0x9: Unknown status.
| line: 0x2aacb7b2ab852ac
| file: c:\jenkins_agent\workspace\mod-disk-backup\650\product\core\fdisk\ver2\arch\windows\win_errors.cpp:40
| function: Fdisk::AddKstatusError
| line: 0x2aacb7b2ab852ac, c:\jenkins_agent\workspace\mod-disk-backup\650\product\core\fdisk\ver2\arch\windows\win_errors.cpp:40, Fdisk::AddKstatusError
| code: 0x1b1
| $module: disk_backup_vs_650
|
| error 0xfff0: A device which does not exist was specified
| line: 0xbd28fdbd64edb8f1
| file: c:\jenkins_agent\workspace\mod-disk-backup\650\product\core\common\error.cpp:307
| function: Common::Error::AddWindowsError
| line: 0xbd28fdbd64edb8f1, c:\jenkins_agent\workspace\mod-disk-backup\650\product\core\common\error.cpp:307, Common::Error::AddWindowsError
| code: 0x800701b1
| $module: disk_backup_vs_650
2021-08-06T13:03:54:767-04:00 3748 E013C0005: Error 0x13c0005: Operation has completed with errors.
| trace level: error
| line: 0x9f2c53c72e8bceda
| file: c:\jenkins_agent\workspace\ati-main-win\1440\products\imager\demon\main.cpp:740
| function: main
| line: 0x9f2c53c72e8bceda, c:\jenkins_agent\workspace\ati-main-win\1440\products\imager\demon\main.cpp:740, main
| $module: ti_demon_vs_38530
=======================

Saw another older one with the same fail and VSSDoctor should be run. So I did, no real errors I can see: Did report some problems though, but I don't think these matter?

==========

Disk Free Space Available

Status: Warn
Description: Some disks have insufficient free space. Perform a cleanup.

===========

Those that it did find are not assigned drive letters....