User personalization can't be started in Business Central

This article provides a resolution for the "personalization could not be started" error that occurs during user personalization in Dynamics 365 Business Central.

Symptoms

When there are issues preventing the user personalization in Business Central, the user receives the following error message, and can't start user personalization.

Sorry, something went wrong and personalization could not be started. Please try again later, or contact your system administrator.

Resolution

Note

• To solve this issue, you need tenant administrator permissions in Business Central.
• The following steps will delete records with compilation errors and the specific user personalizations will be deleted. It's recommended to take a screenshot of any personalizations done, before deleting them.

Follow these steps to mitigate the issue:

1. In Business Central, in the Tell Me box, enter Personalized Pages, and then select the related link.

2. On the Personalized Pages page, use the filter pane to show records that belong to the impacted user.

3. Select the Troubleshoot button.

   You'll now get a list of all records that contain errors. These records must be removed to unblock the user from starting user personalization.

4. Select the Manage action to delete the user personalizations with errors.