( ! ) Fatal error: Call to undefined method Symfony\Component\DependencyInjection\ContainerBuilder::isCompiled() in /var/www/fire-v/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/ContainerBuilder.php on line 987
Call Stack
#TimeMemoryFunctionLocation
10.0001229904{main}( ).../app.php:0
20.0041455528Symfony\Component\HttpKernel\Kernel->handle( ).../app.php:29
30.0041455904Symfony\Component\HttpKernel\Kernel->boot( ).../Kernel.php:197
40.01101244968Symfony\Component\HttpKernel\Kernel->initializeContainer( ).../Kernel.php:137
50.01161364552Symfony\Component\HttpKernel\Kernel->buildContainer( ).../Kernel.php:642
60.01171364840Symfony\Component\HttpKernel\Kernel->getContainerBuilder( ).../Kernel.php:770
70.01221409704Symfony\Component\DependencyInjection\ContainerBuilder->__construct( ).../Kernel.php:821
80.01251465544Symfony\Component\DependencyInjection\ContainerBuilder->setDefinition( ).../ContainerBuilder.php:132