# S00017 {#S00017}

## Error Code {#error_code .section}

S00017

## Error Message {#error_message .section}

`The device with ID <xxx> failed to execute write tasks, with error: <xxx>. RefId: S00017`

## Probable Causes {#probable_causes .section}

There are a specified number of threads to read and write to disk concurrently \(based on the configuration parameter *diskIOConcurrencyLevel*\). This error occurs when these threads fail to write to disk.

## Solutions {#solutions .section}

Troubleshoot based on the specific error message. Common issues include full disk, lack of write permissions on the disk, etc. If the error cannot be solved, contact DolphinDB technical support.

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

