>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3564000. --> Reported by: [siva01](https://www.drupal.org/user/1600434) Related to !1061 >>> <h2>Symptoms</h2> <ul> <li> RAG search utilizing vector db</li> <li>JSON parsing error displayed in browser console: `JSON.parse: unexpected character at line 1 column 1 of the JSON data`</li> <li>Error occurred during agent continuation when `getAllMessages()` function processed "dummy_loading" messages</li> <li>OpenAI API responses were valid (confirmed via OpenAI logs)</li> <li>After browser reload (F5), the correct answer displayed properly</li> <li> Only affected non-streaming responses</li> </ul> <p><img src="https://www.drupal.org/files/issues/2025-12-18/json-parse-error.png" alt="JSON.parse"></p>