From b2157c93e3f6656af81c9fd671711ab2058ac252 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20B=C3=B6hmer?= <mail@jan-boehmer.de>
Date: Sun, 8 Jan 2023 01:21:09 +0100
Subject: [PATCH] Fixed an exception when upgrading permissions schemas when
 the user has no group

---
 src/Services/UserSystem/PermissionSchemaUpdater.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Services/UserSystem/PermissionSchemaUpdater.php b/src/Services/UserSystem/PermissionSchemaUpdater.php
index 634d63d8..fa031595 100644
--- a/src/Services/UserSystem/PermissionSchemaUpdater.php
+++ b/src/Services/UserSystem/PermissionSchemaUpdater.php
@@ -110,7 +110,9 @@ class PermissionSchemaUpdater
     public function userUpgradeSchemaRecursively(User $user, int $target_version = PermissionData::CURRENT_SCHEMA_VERSION): bool
     {
         $updated = $this->upgradeSchema($user, $target_version);
-        $updated = $this->groupUpgradeSchemaRecursively($user->getGroup(), $target_version) || $updated;
+        if ($user->getGroup()) {
+            $updated = $this->groupUpgradeSchemaRecursively($user->getGroup(), $target_version) || $updated;
+        }
 
         return $updated;
     }