diff --git a/README.md b/README.md
index 111f296f..7a6d874a 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ Features
 What was changed in this fork?
 -----------------------------
 - Disable anonymously access, registrations, spam/antispam, added ACL permissions.
-- Support MySQL and PostgresSQL.
+- Support MySQL, PostgresSQL or SQLite.
 - Removed HWIOBundle, Algolia, GoogleAnalytics and other not used dependencies.
 
 Table of content
diff --git a/composer.json b/composer.json
index b05881e6..07e07a60 100644
--- a/composer.json
+++ b/composer.json
@@ -98,7 +98,8 @@
     },
     "autoload": {
         "psr-4": {
-            "Packeton\\": "src/"
+            "Packeton\\": "src/",
+            "Oro\\": "doctrine/"
         }
     },
     "replace": {
diff --git a/doctrine/ORM/Query/AST/Platform/Functions/Sqlite/Month.php b/doctrine/ORM/Query/AST/Platform/Functions/Sqlite/Month.php
new file mode 100644
index 00000000..174dbd9c
--- /dev/null
+++ b/doctrine/ORM/Query/AST/Platform/Functions/Sqlite/Month.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Oro\ORM\Query\AST\Platform\Functions\Sqlite;
+
+use Doctrine\ORM\Query\AST\Node;
+use Doctrine\ORM\Query\SqlWalker;
+use Oro\ORM\Query\AST\Functions\SimpleFunction;
+use Oro\ORM\Query\AST\Platform\Functions\PlatformFunctionNode;
+
+class Month extends PlatformFunctionNode
+{
+    public function getSql(SqlWalker $sqlWalker): string
+    {
+        /** @var Node $expression */
+        $expression = $this->parameters[SimpleFunction::PARAMETER_KEY];
+
+        return "STRFTIME('%m', " . $this->getExpressionValue($expression, $sqlWalker) . ")";
+    }
+}
diff --git a/doctrine/ORM/Query/AST/Platform/Functions/Sqlite/Year.php b/doctrine/ORM/Query/AST/Platform/Functions/Sqlite/Year.php
new file mode 100644
index 00000000..705bb61f
--- /dev/null
+++ b/doctrine/ORM/Query/AST/Platform/Functions/Sqlite/Year.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Oro\ORM\Query\AST\Platform\Functions\Sqlite;
+
+use Doctrine\ORM\Query\AST\Node;
+use Doctrine\ORM\Query\SqlWalker;
+use Oro\ORM\Query\AST\Functions\SimpleFunction;
+use Oro\ORM\Query\AST\Platform\Functions\PlatformFunctionNode;
+
+class Year extends PlatformFunctionNode
+{
+    public function getSql(SqlWalker $sqlWalker): string
+    {
+        /** @var Node $expression */
+        $expression = $this->parameters[SimpleFunction::PARAMETER_KEY];
+
+        return "STRFTIME('%Y', " . $this->getExpressionValue($expression, $sqlWalker) . ")";
+    }
+}
diff --git a/src/Controller/GroupController.php b/src/Controller/GroupController.php
index e047bd3b..c62b142e 100644
--- a/src/Controller/GroupController.php
+++ b/src/Controller/GroupController.php
@@ -11,6 +11,7 @@
 use Pagerfanta\Doctrine\ORM\QueryAdapter;
 use Pagerfanta\Pagerfanta;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\Request;
@@ -57,7 +58,7 @@ public function createAction(Request $request)
         $group = new Group();
         $data = $this->handleUpdate($request, $group, 'Group has been saved successfully');
 
-        return $this->render('group/update.html.twig', $data);
+        return $data instanceof Response ? $data : $this->render('group/update.html.twig', $data);
     }
 
     /**
@@ -71,7 +72,7 @@ public function updateAction(Request $request, #[Vars] Group $group)
     {
         $data = $this->handleUpdate($request, $group, 'Group has been saved successfully');
 
-        return $this->render('group/update.html.twig', $data);
+        return $data instanceof Response ? $data : $this->render('group/update.html.twig', $data);
     }
 
     /**
diff --git a/src/Form/Model/MaintainerRequest.php b/src/Form/Model/MaintainerRequest.php
index 6272dad0..768cba82 100644
--- a/src/Form/Model/MaintainerRequest.php
+++ b/src/Form/Model/MaintainerRequest.php
@@ -12,7 +12,7 @@
 
 namespace Packeton\Form\Model;
 
-use FOS\UserBundle\Model\UserInterface;
+use Symfony\Component\Security\Core\User\UserInterface;
 
 class MaintainerRequest
 {