diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/symfony/translation/Exception/UnsupportedSchemeException.php b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/symfony/translation/Exception/UnsupportedSchemeException.php
new file mode 100644
index 0000000..7fbaa8f
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/symfony/translation/Exception/UnsupportedSchemeException.php
@@ -0,0 +1,54 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Translation\Exception;
+
+use Symfony\Component\Translation\Bridge;
+use Symfony\Component\Translation\Provider\Dsn;
+
+class UnsupportedSchemeException extends LogicException
+{
+    private const SCHEME_TO_PACKAGE_MAP = [
+        'crowdin' => [
+            'class' => Bridge\Crowdin\CrowdinProviderFactory::class,
+            'package' => 'symfony/crowdin-translation-provider',
+        ],
+        'loco' => [
+            'class' => Bridge\Loco\LocoProviderFactory::class,
+            'package' => 'symfony/loco-translation-provider',
+        ],
+        'lokalise' => [
+            'class' => Bridge\Lokalise\LokaliseProviderFactory::class,
+            'package' => 'symfony/lokalise-translation-provider',
+        ],
+    ];
+
+    public function __construct(Dsn $dsn, string $name = null, array $supported = [])
+    {
+        $provider = $dsn->getScheme();
+        if (false !== $pos = strpos($provider, '+')) {
+            $provider = substr($provider, 0, $pos);
+        }
+        $package = self::SCHEME_TO_PACKAGE_MAP[$provider] ?? null;
+        if ($package && !class_exists($package['class'])) {
+            parent::__construct(sprintf('Unable to synchronize translations via "%s" as the provider is not installed; try running "composer require %s".', $provider, $package['package']));
+
+            return;
+        }
+
+        $message = sprintf('The "%s" scheme is not supported', $dsn->getScheme());
+        if ($name && $supported) {
+            $message .= sprintf('; supported schemes for translation provider "%s" are: "%s"', $name, implode('", "', $supported));
+        }
+
+        parent::__construct($message.'.');
+    }
+}