Symptoms

Backup fails with:

Internal error: An expression test has failed.

| error 0x26f0067: A generic error of System state backup component.
| line: 0x94f5f955b13dde8a
| file: e:\216\enterprise\applications\managers\gtob\backuper.cpp:198
| function: `anonymous-namespace'::ApplicationBackupProcess::Execute
| IsReturnCode: 0x1
| $module: SystemStateAgentProvider_vsa64_10330
|
| error 0x2770191: Failed to back up the system state.
| line: 0x9b358c6e703de363
| file: e:\216\enterprise\applications\system_state\managers\gtob\backuper\src\backuper.cpp:94
| function: `anonymous-namespace'::SystemStateBackupServiceProvider::ExecuteBackup
| IsReturnCode: 0x1
| $module: SystemStateAgentProvider_vsa64_10330
|
| error 0x15d0323: Failed to execute a task.
| line: 0xa14d72eeb8f971ae
| file: e:\216\enterprise\applications\include\common\concurrency\task.h:51
| function: AppBackup::Concurrency::Task::Execute
| $module: SystemStateAgentProvider_vsa64_10330
|
| error 0x15d001f: Internal error: An expression test has failed.
| line: 0xde48f7195fcd16a
| file: e:\216\enterprise\applications\archiving\archivers\common\split_file\src\items_reader.cpp:243
| function: `anonymous-namespace'::PrefetchingSequentialFileItemsReader::FetchCurrentBunch
| Expression: CurrentChunks->IsValid()
| $module: SystemStateAgentProvider_vsa64_10330

Cause

Issues in old backup format (version 11 backup format).

Solution

We recommend leaving this backup for recovery purposes and creating a new backup plan with newer version backup format (version 12):

1. Click Add backup plan.
2. After selecting backup source, destination and schedule, click the gear icon.
3. Navigate to Backup format and select Version 12.