Incorrect syntax to call load from $loader

The > sign was not present for calling the load on $loader

DependencyInjection/KPhoenRulerZExtension.php

@@ -43,7 +43,7 @@ private function configureExecutors(YamlFileLoader $loader, array $config)
     {
         foreach ($this->supportedExecutors as $executor) {
             if ($config['executors'][$executor]) {
-                $loader-load(sprintf('executors/%s.yml', $executor));
+                $loader->load(sprintf('executors/%s.yml', $executor));
             }
         }
     }