Throw LogicException instead of Error when trying to generate logout-URL without request

Author: addiks

Logout/LogoutUrlGenerator.php

@@ -107,6 +107,10 @@ private function generateLogoutUrl(?string $key, int $referenceType): string
 
             $request = $this->requestStack->getCurrentRequest();
 
+            if (!$request) {
+                throw new \LogicException('Unable to generate the logout URL without a Request.');
+            }
+
             $url = UrlGeneratorInterface::ABSOLUTE_URL === $referenceType ? $request->getUriForPath($logoutPath) : $request->getBaseUrl().$logoutPath;
 
             if (!empty($parameters)) {