Google has updated the Destination not working article to provide additional examples for advertisers experiencing destination issues. This change enhances the guidance available without altering enforcement of the existing policy.
Barry Schwartz noticed a new line instructs advertisers to configure at least one asset group in their campaigns to avoid receiving an “invalid final URL” error during setup. This specification helps ensure that a lack of asset groups does not trigger this error.
See the announcement for more details: Update to Destination not working article.