Fatal error: Interface 'Psr\Cache\CacheItemInterface' not found in /var/www/webapp/vendor/symfony/symfony/src/Symfony/Component/Cache/CacheItem.php on line 21

Fatal error: Uncaught Symfony\Component\Debug\Exception\ClassNotFoundException: Attempted to load interface "CacheItemInterface" from namespace "Psr\Cache". Did you forget a "use" statement for "Psr\Cache\CacheItemInterface"? in /var/www/webapp/vendor/symfony/symfony/src/Symfony/Component/Cache/CacheItem.php:21 Stack trace: #0 {main} Next Symfony\Component\Routing\Exception\RouteNotFoundException: Unable to generate a URL for the named route "" as such route does not exist. in /var/www/webapp/var/cache/prod/appProdProjectContainerUrlGenerator.php:165 Stack trace: #0 /var/www/webapp/vendor/symfony/symfony/src/Symfony/Component/Routing/Router.php(240): appProdProjectContainerUrlGenerator->generate(NULL, NULL, 1) #1 /var/www/webapp/vendor/symfony/symfony/src/Symfony/Bridge/Twig/Extension/RoutingExtension.php(57): Symfony\Component\Routing\Router->generate(NULL, NULL, 1) #2 /var/www/webapp/var/cache/prod/twig/15/15cd34e415f89e17304cb6460b905419d0ceeb78d9b082e14c0601d2e391e0a4.php(38): Symfony\Bridge\Twig\Extension\RoutingExt in /var/www/webapp/src/AppBundle/Resources/views/base.html.twig on line 5