Index: /views/mods/mod_rechnungen/order_view.phtml
===================================================================
--- /views/mods/mod_rechnungen/order_view.phtml	(revision 7619)
+++ /views/mods/mod_rechnungen/order_view.phtml	(revision 7620)
@@ -16,5 +16,9 @@
 
 			window.setTimeout(function() { 
-				location.href = '<?php echo WPSG_URL_WP; ?>wp-admin/admin.php?page=wpsg-Order&action=view&edit_id=<?php echo $this->view['data']['id']; ?>'; 
+				location.href = '<?php 
+				
+					echo wpsg_admin_url('Order', 'view', ['edit_id' => $this->view['data']['id']]); 
+					
+				?>'; 
 			}, 1000);