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canonical: en/troubleshooting/errors/ERR-CLIENT-POPUP_BLOCKED.html
title: DataLens On-premises error ERR.CLIENT.POPUP_BLOCKED
description: The page describes a DataLens On-premises pop-up blocking error.
vcsPath: en/troubleshooting/errors/ERR-CLIENT-POPUP_BLOCKED.md
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# [DataLens On-premises] pop-up blocking error

`ERR.CLIENT.POPUP_BLOCKED`

You may get this error in the Safari browser when trying to display a pop-up window.

Troubleshooting:

1. Open the Safari browser.
1. Click **Safari** → **Settings** in the top menu.
1. Go to the **Websites** tab.
1. In the left-hand column, select **Pop-up Windows**.
1. Select **Allow** at the bottom right.