Fix for https://issues.civicoop.org/issues/9198

proxy/open.php

@@ -20,4 +20,9 @@ civiproxy_security_check('open');
 $valid_parameters = array(  'q'   => 'int', 'qid' => 'int'  );
 
 $parameters = civiproxy_get_parameters($valid_parameters);
+if (isset($parameters['q']) && !isset($parameters['qid'])) {
+  $parameters['qid'] = $parameters['q'];
+  unset($parameters['q']);
+}
+
 civiproxy_redirect($target_open, $parameters);