Loading of configuration is broken in API Explorer in 1.3
>>> [!note] Migrated issue
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<!-- Migrated from issue #3574286. -->
Reported by: [marcus_johansson](https://www.drupal.org/user/385947)
Related to !1217
>>>
<p>[Tracker]<br>
<strong>Update Summary: </strong>[One-line status update for stakeholders]<br>
<strong>Short Description: </strong>[One-line issue summary for stakeholders]<br>
<strong>Check-in Date: </strong>MM/DD/YYYY<br>
<em>Metadata is used by the <a href="https://www.drupalstarforge.ai/" title="AI Tracker">AI Tracker.</a> Docs and additional fields <a href="https://www.drupalstarforge.ai/ai-dashboard/docs" title="AI Issue Tracker Documentation">here</a>.</em><br>
[/Tracker]</p>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>Some kind of regression makes it impossible to change models in 1.3.x and 2.0.x. Only chat is affected.</p>
<h4 id="summary-steps-reproduce">Steps to reproduce (required for bugs, but not feature requests)</h4>
<p>1. Install AI, a provider with multiple models and AI API Explorer<br>
2. Visit /admin/config/ai/explorers/chat_generator<br>
3. Switch model - the whole form is gone.</p>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<p>1. Figure out why this is happening.<br>
2. Figure out if its due to missing upstream merge or an added feature that broke it.</p>
<h3 id="summary-remaining-tasks">Remaining tasks</h3>
<h3>Optional: Other details as applicable (e.g., User interface changes, API changes, Data model changes)</h3>
<h3 id="summary-ai-usage">AI usage (if applicable)</h3>
<p>[ ] AI Assisted Issue<br>
This issue was generated with AI assistance, but was reviewed and refined by the creator.</p>
<p>[ ] AI Assisted Code<br>
This code was mainly generated by a human, with AI autocompleting or parts AI generated, but under full human supervision.</p>
<p>[ ] AI Generated Code<br>
This code was mainly generated by an AI with human guidance, and reviewed, tested, and refined by a human.</p>
<p>[ ] Vibe Coded<br>
This code was generated by an AI and has only been functionally tested.</p>
issue