Merge pull request #17 from anhofmann/patch-1

deal with empty result

src/UrlGeneratorService.php

@@ -14,7 +14,7 @@ private function addSid(string $url, ?\Illuminate\Routing\Route $route = null):
         }
 
         // Get the current query string and parameters
-        $queryString = parse_url($url, PHP_URL_QUERY);
+        $queryString = parse_url($url, PHP_URL_QUERY) ?? '';
         parse_str($queryString, $queryParameters);
 
         // Add the session to the query string if needed