Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\ContainerBuilder' not found in /home/app/htdocs/ninja/vendor/jonnyw/php-phantomjs/src/JonnyW/PhantomJs/DependencyInjection/ServiceContainer.php:20
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/jonnyw/php-phantomjs/src/JonnyW/PhantomJs/DependencyInjection/ServiceContainer.php on line 20