Fatal error: Uncaught Error: Class "WpOrg\Requests\Utility\CaseInsensitiveDictionary" not found in /home/.sites/193/site1818/web/wp-includes/Requests/src/Response/Headers.php:20
Stack trace:
#0 {main}
  thrown in /home/.sites/193/site1818/web/wp-includes/Requests/src/Response/Headers.php on line 20