fix

src/Controller/HomeController.php

@@ -25,9 +25,9 @@ class HomeController extends AbstractController
     #[Route('/search', name: 'search', methods: ['POST'])]
     public function search(SearchRequest $request): Response
     {
-        $array = $request->getRequest()->toArray()['items'];
-        $id = $request->getRequest()->query->get('id');
-        $result = $this->functions->search($array, $id);
+        $requestData = $request->getRequest()->toArray();
+        $id = $request->getRequest()->get('id');
+        $result = $this->functions->search($requestData['items'], $id);
         return $this->json($result);
     }
 }