diff --git a/src/structure/components/com_sportsmanager/tools.php b/src/structure/components/com_sportsmanager/tools.php
index 6aa2c09..07ac5a9 100644
--- a/src/structure/components/com_sportsmanager/tools.php
+++ b/src/structure/components/com_sportsmanager/tools.php
@@ -41,8 +41,8 @@ class MathParserSM extends MathParser
         abortWithError(401 . ' Unauthorized');
     }
     if (!$login || Factory::getContainer()->get(SiteApplication::class)->getIdentity()->id) {
-        Log::add('an error occurred', Log::ERROR, 'com_sportsmanager');
-        throw new RuntimeException('An error occurred.', 500);
+        Log::add('Unauthorized user with id ' . Factory::getContainer()->get(SiteApplication::class)->getIdentity()->id, Log::WARNING, 'com_sportsmanager');
+        throw new RuntimeException('´Not authorized!', 401);
     }
     $version = new Version();
     $joomla = $version->getShortVersion();