diff --git a/app/AdminModule/Forms/EditRoleFormFactory.php b/app/AdminModule/Forms/EditRoleFormFactory.php
index 2dad82d74..b6f5052af 100644
--- a/app/AdminModule/Forms/EditRoleFormFactory.php
+++ b/app/AdminModule/Forms/EditRoleFormFactory.php
@@ -196,7 +196,7 @@ public function processForm(Form $form, stdClass $values): void
             $this->role->setRegisterableTo($values->registerableTo);
             $this->role->setCapacity($capacity);
             $this->role->setApprovedAfterRegistration($values->approvedAfterRegistration);
-            $this->role->setMinimumAge($values->minimumAge);
+            $this->role->setMinimumAge((int) $values->minimumAge);
             $this->role->setPermissions($this->permissionRepository->findPermissionsByIds($values->permissions));
             $this->role->setPages($this->pageRepository->findPagesBySlugs($values->pages));
             $this->role->setRedirectAfterLogin($values->redirectAfterLogin);
diff --git a/app/WebModule/Components/ApplicationsGridControl.php b/app/WebModule/Components/ApplicationsGridControl.php
index 082522d1d..2fd3f2bb0 100644
--- a/app/WebModule/Components/ApplicationsGridControl.php
+++ b/app/WebModule/Components/ApplicationsGridControl.php
@@ -79,6 +79,10 @@ public function createComponentApplicationsGrid(string $name): void
         $presenter = $this->getPresenter();
         assert($presenter instanceof WebBasePresenter);
 
+        if (! $presenter->getUser()->isLoggedIn()) {
+            return;
+        }
+
         $this->user = $presenter->getDbUser();
 
         $explicitSubeventsExists = $this->subeventRepository->explicitSubeventsExists();