# S10000 {#S10000}

## Error Code {#error_code .section}

S10000

## Error Message {#error_message .section}

`Shark requires premium license. Contact technical support for trial license request. RefId: S10000`

## Probable Causes {#probable_causes .section}

This error occurs when using the Shark with an invalid license.

## Solutions {#solutions .section}

Use a Shark license. To request a trial, you can visit our [official website](https://dolphindb.com/product#downloads-top) or contact DolphinDB technical support.

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

