diff -r f962ff9dd44e -r 9abf0bf44c7b src/main/java/de/uapcore/lightpit/modules/ErrorModule.java
--- a/src/main/java/de/uapcore/lightpit/modules/ErrorModule.java	Wed May 13 18:40:52 2020 +0200
+++ b/src/main/java/de/uapcore/lightpit/modules/ErrorModule.java	Wed May 13 18:45:28 2020 +0200
@@ -56,7 +56,7 @@
         setStylesheet(req, "error");
         setDynamicFragment(req, "error");
 
-        return ResponseType.HTML_FULL;
+        return ResponseType.HTML;
     }
 
     @RequestMapping(requestPath = "404", method = HttpMethod.GET)