>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3558719. --> Reported by: [jessebaker](https://www.drupal.org/user/3546546) Related to !342 >>> <h3 id="overview">Overview</h3> <p>Using the my-hero test SDC on a content template<br> Click on the CTA1 Href field click the linker icon and choose Relative URL<br> Then after it's linked click the cross to unlink it.</p> <p>Expected: The form looks as it did before linking<br> Actual: The field is now split into two fields wrapped with a fieldset.</p> <p><img src="https://www.drupal.org/files/issues/2025-11-18/linkunlink.gif" alt="demo of bug"></p> <h3>Prevent future regression</h3> <p>To prevent this regression from going unnoticed for a while in the future, add corruption detection:<br> <img src="https://www.drupal.org/files/issues/2025-11-26/corruption%20detection.gif"></p> <p>(This is with just the server-side changes, not the client-side changes. The client-side changes make this go away &mdash; the server-side changes make such a bug far easier to spot in the future! &#128077;)</p> > Related issue: [Issue #3558721](https://www.drupal.org/node/3558721) > Related issue: [Issue #3558448](https://www.drupal.org/node/3558448) > Related issue: [Issue #3560005](https://www.drupal.org/node/3560005) > Related issue: [Issue #3538487](https://www.drupal.org/node/3538487) > Related issue: [Issue #3463996](https://www.drupal.org/node/3463996) > Related issue: [Issue #3541000](https://www.drupal.org/node/3541000)