Fix delete container

action/action_container.php

@@ -101,6 +101,8 @@ if($action == "create") {
 
     if($cnt->author == $author) {
         $db->delete($container);
+    } else if($db->getGradeWithLogin($_SESSION['username'])->name == $db->getMaxGrades()->name) {
+        $db->delete($container);
     }
 
     header("Location: ../container.php");