# S01011 {#s01011}

## Error Code {#error_code .section}

S01011

## Error Message {#error_message .section}

`The Raft WAL file for the raft group <RaftGroupAlias> is incomplete. The system will attempt to restore this log file. RefId:S01011`

## Probable Causes {#probable_causes .section}

Raft WAL file is found corrupted.

In this error message:

-   *RaftGroupAlias* is DFSMaster for HA metadata.
-   *RaftGroupAlias* is StreamingHA\_x \(where x is the group ID\) for HA streaming.

Possible causes for the corruption of the Raft WAL file include:

-   Disk damage.
-   Compatibility issues, e.g., different log formats between versions.
-   Serialization failure.
-   System defects.

## Solutions {#solutions .section}

-   Check if the disk is damaged.
-   Check if the version upgrade was performed correctly.

If there are no issues with the above, please contact technical support for assistance.

**Parent topic:**[Error Code Reference](../../Troubleshooting/ErrorCode.md)

