Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Unable to load class "Twig_Environment"' in /vendor/symfony/symfony/src/Symfony/Component/ClassLoader/ClassCollectionLoader.php:292 Stack trace: #0 /vendor/symfony/symfony/src/Symfony/Component/ClassLoader/ClassCollectionLoader.php(107): Symfony\Component\ClassLoader\ClassCollectionLoader::getOrderedClasses(Array) #1 /var/bootstrap.php.cache(1566): Symfony\Component\ClassLoader\ClassCollectionLoader::load(Array, '//var/cache/pro...', 'classes', false, false, '.php') #2 /var/bootstrap.php.cache(1411): Symfony\Component\HttpKernel\Kernel->doLoadClassCache('classes', '.php') #3 /var/bootstrap.php.cache(1445): Symfony\Component\HttpKernel\Kernel->boot() #4 /web/app.php(16): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #5 {main} thrown in /vendor/symfony/symfony/src/Symfony/Component/ClassLoader/ClassCollectionLoader.php on line 292