Refer here it is fixed the issue : https://www.drupal.org/project/drupal/issues/3409885 🐛 Uncaught ajax.js error / exception Active
Pantheon web server we are using
In JSON response it is missing closing bracket and not valid JSON is returned.
[
{
"value": "AdvanceFlow API (985)",
"label": "AdvanceFlow API"
},
{
"value": "API Platform Tools (989)",
"label": "API Platform Tools"
},
{
"value": "CCPA (986)",
"label": "CCPA"
},
{
"value": "CUAS (1001)",
"label": "CUAS"
}
After upgradation to 10.2.3 onwards it is returning not valid JSON data.
Autocomplete suggestions are not displaying while searching any keyword but in json response i am getting suggestions but it is not displaying in front end.
Autocomplete values are not populating after upgradation in Drupal 10.2.3 and it is keep on searching.
In network tab i am getting AJAx response with results but front it is not populating.