( ! ) 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
10.0001229840{main}( ).../app.php:0
20.0040455440Symfony\Component\HttpKernel\Kernel->handle( ).../app.php:29
30.0040455816Symfony\Component\HttpKernel\Kernel->boot( ).../Kernel.php:197
40.00801244880Symfony\Component\HttpKernel\Kernel->initializeContainer( ).../Kernel.php:137
50.00821364464Symfony\Component\HttpKernel\Kernel->buildContainer( ).../Kernel.php:642
60.00831364752Symfony\Component\HttpKernel\Kernel->getContainerBuilder( ).../Kernel.php:770
70.00841409616Symfony\Component\DependencyInjection\ContainerBuilder->__construct( ).../Kernel.php:821
80.00871465456Symfony\Component\DependencyInjection\ContainerBuilder->setDefinition( ).../ContainerBuilder.php:132