fix repeated reservation bookings

reservation.inc

@@ -271,7 +271,7 @@ function reserve_form_reserve_reservation_form_alter(array &$form, FormStateInte
  */
 function reserve_form_reserve_reservation_delete_form_alter(array &$form, FormStateInterface $form_state) {
   // Retrieve an array which contains the path pieces.
-  $refer_path = $_SERVER[HTTP_REFERER];
+  $refer_path = $_SERVER["HTTP_REFERER"];
   $path_args = explode('/', $refer_path);
 
   $month = $path_args[6];

reserve.series.inc

@@ -37,7 +37,7 @@ function reserve_reserve_reservation_insert($entity) {
   $rid = $entity->reservable_id->getString();
   $rtype = $entity->reservable_content_type->getString();
   $ebundle = $rtype . '.' . \Drupal::entityTypeManager()
-    ->getStorage($rtype)->load($id)->bundle();
+    ->getStorage($rtype)->load($rid)->bundle();
   $day = date('l', strtotime($start));
   
   $msg = '';