# S01029 {#s01029}

## Error Code {#error_code .section}

S01029

## Error Message {#error_message .section}

-   `TSDB Engine failed to read <xxx>. RefId:S01029`
-   `TSDB Engine failed to move level file to position xxx. RefId:S01029`
-   `TSDB Engine failed to deserialize xxx.RefId:S01029`

## Probable Causes {#probable_causes .section}

The TSDB engine failed to read a level file. Probable causes include:

-   Corrupted file due to disk damage.
-   Lack file access permission.

## Solutions {#solutions .section}

-   Check if the configured directory can be accessed properly.
-   Check the path of level file with `getTSDBMetaData()`, and validate the file status.

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

