try to tweek sidebar

core/UI/Widget/Sidebar/SidebarService.php

@@ -67,7 +67,7 @@ class SidebarService
      */
     public function getSidebar($id){
         if(!isset($this->children[$id])){ 
-            throw new \Exception(sprintf("Sidebar %s does not exist", $id));
+            throw new \Exception(sprintf("Blubb %s does not exist", $id));
         }
         return $this->children[$id];
     }