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canonical: en/troubleshooting/errors/ERR-DS_API-DATASET-TOO_MANY_FIELDS.html
title: DataLens On-premises error ERR.DS_API.DATASET.TOO_MANY_FIELDS
description: >-
  This page describes the There are too many fields in the dataset DataLens
  On-premises error.
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# [DataLens On-premises] There are too many fields in the dataset

`ERR.DS_API.DATASET.TOO_MANY_FIELDS`

This error occurs when attempting to add new fields to a dataset and this results in exceeding the [limit](../../concepts/limits.md#datalens-common-limits).

To fix this error, delete dataset fields so that their number remains within the limits.