>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3470321. --> Reported by: [traviscarden](https://www.drupal.org/user/236758) Related to !569 >>> <h3 id="overview">Overview</h3> <p>PHP exceptions currently bubble up to error messages like the following in the UI. This will be confusing to end users, and it's not very helpful for local development.</p> <p><img src="https://www.drupal.org/files/issues/2024-08-26/xb-ui-error.png" alt=""></p> <h3 id="proposed-resolution">Proposed resolution</h3> <p>I propose doing two things:</p> <ol> <li>Add exception-handling with human-readable error messages for end users</li> <li>Output additional debugging info to the browser console for developers</li> </ol> <p><del>On the backend, that means adding a new exception that takes additional details, i.e., the user-facing error message and the console debugging details, and returns it in the form of JSON.</del> &rarr; <span class="drupalorg-gitlab-issue-link project-issue-status-info project-issue-status-7"><a href="https://www.drupal.org/project/experience_builder/issues/3470995" title="Status: Closed (fixed)">#3470995: OpenAPI validation errors must be provided as a JSON response</a></span></p> <p>On the front-end, that means translating the JSON into the error modal and console log.</p> <h3 id="ui-changes">User interface changes</h3> <p>UI changes are explicit in the proposal above.</p> > Related issue: [Issue #3470898](https://www.drupal.org/node/3470898) > Related issue: [Issue #3470995](https://www.drupal.org/node/3470995) > Related issue: [Issue #3499931](https://www.drupal.org/node/3499931)