diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 1e1b428..bee7dde 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -106,7 +106,7 @@ final class ApiController extends Controller
     public function apiClientCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateClientCreate($request))) {
-            $response->set('client_create', new FormValidation($val));
+            $response->data['client_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -283,7 +283,7 @@ final class ApiController extends Controller
     public function apiMainAddressUpdate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateMainAddressUpdate($request))) {
-            $response->set('client_main_address', new FormValidation($val));
+            $response->data['client_main_address'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -377,7 +377,7 @@ final class ApiController extends Controller
     public function apiClientL11nCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateClientL11nCreate($request))) {
-            $response->set('client_l11n_create', new FormValidation($val));
+            $response->data['client_l11n_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -448,7 +448,7 @@ final class ApiController extends Controller
     public function apiClientL11nTypeCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateClientL11nTypeCreate($request))) {
-            $response->set('client_l11n_type_create', new FormValidation($val));
+            $response->data['client_l11n_type_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -512,7 +512,7 @@ final class ApiController extends Controller
     public function apiClientAttributeCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateClientAttributeCreate($request))) {
-            $response->set('attribute_create', new FormValidation($val));
+            $response->data['attribute_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -590,7 +590,7 @@ final class ApiController extends Controller
     public function apiClientAttributeTypeL11nCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateClientAttributeTypeL11nCreate($request))) {
-            $response->set('attr_type_l11n_create', new FormValidation($val));
+            $response->data['attr_type_l11n_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -659,7 +659,7 @@ final class ApiController extends Controller
     public function apiClientAttributeTypeCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateClientAttributeTypeCreate($request))) {
-            $response->set('attr_type_create', new FormValidation($val));
+            $response->data['attr_type_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -730,7 +730,7 @@ final class ApiController extends Controller
     public function apiClientAttributeValueCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateClientAttributeValueCreate($request))) {
-            $response->set('attr_value_create', new FormValidation($val));
+            $response->data['attr_value_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -815,7 +815,7 @@ final class ApiController extends Controller
     public function apiClientAttributeValueL11nCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateClientAttributeValueL11nCreate($request))) {
-            $response->set('attr_value_l11n_create', new FormValidation($val));
+            $response->data['attr_value_l11n_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -883,7 +883,7 @@ final class ApiController extends Controller
      */
     public function apiFileCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
-        $uploadedFiles = $request->getFiles();
+        $uploadedFiles = $request->files;
 
         if (empty($uploadedFiles)) {
             $this->fillJsonResponse($request, $response, NotificationLevel::ERROR, 'Client', 'Invalid file', $uploadedFiles);
diff --git a/Theme/Backend/client-profile.tpl.php b/Theme/Backend/client-profile.tpl.php
index 925adc2..3b76126 100755
--- a/Theme/Backend/client-profile.tpl.php
+++ b/Theme/Backend/client-profile.tpl.php
@@ -24,7 +24,7 @@ $countries    = \phpOMS\Localization\ISO3166NameEnum::getConstants();
  */
 $client = $this->getData('client');
 $notes  = $client->getNotes();
-$files  = $client->getFiles();
+$files  = $client->files;
 
 $clientImage = $this->getData('clientImage') ?? new NullMedia();
 
diff --git a/tests/Models/ClientTest.php b/tests/Models/ClientTest.php
index 8aede53..723e524 100755
--- a/tests/Models/ClientTest.php
+++ b/tests/Models/ClientTest.php
@@ -48,7 +48,7 @@ final class ClientTest extends \PHPUnit\Framework\TestCase
         self::assertEquals(ClientStatus::ACTIVE, $this->client->getStatus());
         self::assertEquals(0, $this->client->getType());
         self::assertEquals([], $this->client->getNotes());
-        self::assertEquals([], $this->client->getFiles());
+        self::assertEquals([], $this->client->files);
         self::assertEquals([], $this->client->getAddresses());
         self::assertEquals([], $this->client->getContactElements());
         self::assertEquals((new \DateTime('now'))->format('Y-m-d'), $this->client->createdAt->format('Y-m-d'));
@@ -84,7 +84,7 @@ final class ClientTest extends \PHPUnit\Framework\TestCase
     public function testFileInputOutput() : void
     {
         $this->client->addFile($temp = new Media());
-        self::assertCount(1, $this->client->getFiles());
+        self::assertCount(1, $this->client->files);
     }
 
     /**