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BUI console records are stuck on loading screen
Answer ID 13155   |   Last Review Date 06/30/2026

Why is the BUI console showing a loading circle and getting stuck?

Environment:

All supported versions

Issue:

When using BUI in a Chromium-based browser like Edge or Chrome we recently started experiencing issues while opening or updating records.  When this happens a loading circle is shown in front of a blank background.  The workspace never loads properly.  

Resolution:

In most cases investigation has determined that the workspace is unable to load due to custom code in a BUI extension being blocked by the browser.  Confirmation that the browser has blocked the code can be found within the console logs (instructions for seeing these logs is located at How do I generate a Console log in Chrome or Firefox?).  The logs will show the following entry:
 

"[Violation] Permissions policy violation: unload is not allowed in this document."

If your team is unsure whether your BUI extensions utilize the unload event verification can be obtained by completing a test with an account/profile where the profile has had access removed for all BUI extensions.  This setting is located within the Profile's "Agent Browser UI Extensions" tab.  If the workspace loads without issue during this test, further systematic enablement of the extensions can help narrow down on which extension(s) trigger the scenario.  

Cause:

This is related to the announced deprecation of support for the unload event within Chromium-based browsers.  Changes that disable permissions for the event are being made in Chromium and Edge browser updates.  

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