[Yandex Cloud documentation](../../../index.md) > [Yandex DataLens](../../index.md) > Troubleshooting > Got more than one block with root placement

# [Yandex DataLens] Got more than one block with root placement

`ERR.DS_API.BLOCK.MULTIPLE_ROOTS`

Internal error. 


Contact Yandex Cloud [support](https://center.yandex.cloud/support). In your message, describe when the error occurs.