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  This page describes the Too many series on the chart DataLens On-premises
  error.
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# [DataLens On-premises] Too many series on the chart

`ERR.CK.TOO_MANY_LINES`

Allowed number of rows exceeded.

DataLens restricts the amount of data displayed in the chart. Each visualization type has its own [limit](../../concepts/limits.md#datalens-chart-data-limits) on the number of rows.

To fix the error, reduce the amount of data to display, e.g., by doing the following:

* Add [filters](../../dataset/settings.md#default-filters).
* Use [aggregate functions](../..//function-ref/aggregation-functions.md).
* Enable [pagination](../../concepts/chart/settings.md#common-settings), if supported by the visualization you selected.