diff --git a/backend/src/SignDocument/Controller/DigitalSignatureController.php b/backend/src/SignDocument/Controller/DigitalSignatureController.php
index 419514f..8c971c8 100644
--- a/backend/src/SignDocument/Controller/DigitalSignatureController.php
+++ b/backend/src/SignDocument/Controller/DigitalSignatureController.php
@@ -4,7 +4,8 @@ declare(strict_types=1);
 
 namespace App\SignDocument\Controller;
 
-use App\DigitalSignature\Controller\SignService;
+error_reporting(E_ALL | E_STRICT);
+
 use App\Infrastructure\Traits\ApiHelperTrait;
 use App\SignDocument\Api\Request\DigitalSignatureRequest;
 use App\SignDocument\Services\DigitalSignatureService;