Note
The AL diagnostics topics are in preview. If you have input for this topic, we'd love to hear from you. Use our GitHub repo to create a PR and add content to this topic by going to here. To read about contributing, see Contribute to the Help. Thanks!
A member of type {0} with name '{1}' is already defined in {2} '{3}' by the extension '{4}'.
Description
Another extension has defined a page element with the same name as the one declared in the user personalization or profile configuration.