fix

app/Service/Handlers/DirectHandler.php

@@ -13,9 +13,10 @@ class DirectHandler extends AdsHandler
         $this->response = $response->json();
     }
 
-    public function checkError($response){
+    public function checkError($response)
+    {
         $this->parse($response);
-        if ($this->response['error']){
+        if ($this->response['error'] ?? false) {
             throw new \Exception($this->response['error']['error_detail']);
         }
     }