Fatal error: Uncaught Error: Interface "Symfony\Component\HttpFoundation\Session\Flash\FlashBagInterface" not found in /mnt/cephfs/sites/w/www-decorforinterior/htdocs/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Flash/FlashBag.php:19 Stack trace: #0 /mnt/cephfs/sites/w/www-decorforinterior/htdocs/vendor/composer/ClassLoader.php(576): include() #1 /mnt/cephfs/sites/w/www-decorforinterior/htdocs/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}() #2 [internal function]: Composer\Autoload\ClassLoader->loadClass() #3 /mnt/cephfs/sites/w/www-decorforinterior/htdocs/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Session.php(23): class_exists() #4 /mnt/cephfs/sites/w/www-decorforinterior/htdocs/vendor/composer/ClassLoader.php(576): include('/mnt/cephfs/sit...') #5 /mnt/cephfs/sites/w/www-decorforinterior/htdocs/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}() #6 /mnt/cephfs/sites/w/www-decorforinterior/htdocs/src/Core/Session/SessionHandler.php(120): Composer\Autoload\ClassLoader->loadClass() #7 /mnt/cephfs/sites/w/www-decorforinterior/htdocs/config/config.inc.php(189): PrestaShop\PrestaShop\Core\Session\SessionHandler->init() #8 /mnt/cephfs/sites/w/www-decorforinterior/htdocs/index.php(28): require('/mnt/cephfs/sit...') #9 {main} thrown in /mnt/cephfs/sites/w/www-decorforinterior/htdocs/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Flash/FlashBag.php on line 19