Fatal error: Uncaught TypeError: Symfony\Bundle\FrameworkBundle\DependencyInjection\FrameworkExtension::registerTranslatorConfiguration(): Argument #4 ($defaultLocale) must be of type string, null given, called in /var/www/html/vendor/symfony/framework-bundle/DependencyInjection/FrameworkExtension.php on line 370 and defined in /var/www/html/vendor/symfony/framework-bundle/DependencyInjection/FrameworkExtension.php:1411 Stack trace: #0 /var/www/html/vendor/symfony/framework-bundle/DependencyInjection/FrameworkExtension.php(370): Symfony\Bundle\FrameworkBundle\DependencyInjection\FrameworkExtension->registerTranslatorConfiguration(Array, Object(Symfony\Component\DependencyInjection\Compiler\MergeExtensionConfigurationContainerBuilder), Object(Symfony\Component\DependencyInjection\Loader\PhpFileLoader), NULL, Array) #1 /var/www/html/vendor/symfony/dependency-injection/Compiler/MergeExtensionConfigurationPass.php(81): Symfony\Bundle\FrameworkBundle\DependencyInjection\FrameworkExtension->load(Array, Object(Symfony\Component\DependencyInjection\Compiler\MergeExtensionConfigurationContainerBuilder)) #2 /var/www/html/vendor/symfony/http-kernel/DependencyInjection/MergeExtensionConfigurationPass.php(40): Symfony\Component\DependencyInjection\Compiler\MergeExtensionConfigurationPass->process(Object(Symfony\Component\DependencyInjection\ContainerBuilder)) #3 /var/www/html/vendor/symfony/dependency-injection/Compiler/Compiler.php(73): Symfony\Component\HttpKernel\DependencyInjection\MergeExtensionConfigurationPass->process(Object(Symfony\Component\DependencyInjection\ContainerBuilder)) #4 /var/www/html/vendor/symfony/dependency-injection/ContainerBuilder.php(752): Symfony\Component\DependencyInjection\Compiler\Compiler->compile(Object(Symfony\Component\DependencyInjection\ContainerBuilder)) #5 /var/www/html/vendor/symfony/http-kernel/Kernel.php(495): Symfony\Component\DependencyInjection\ContainerBuilder->compile() #6 /var/www/html/vendor/symfony/http-kernel/Kernel.php(739): Symfony\Component\HttpKernel\Kernel->initializeContainer() #7 /var/www/html/vendor/symfony/http-kernel/Kernel.php(170): Symfony\Component\HttpKernel\Kernel->preBoot() #8 /var/www/html/vendor/symfony/http-kernel/HttpCache/SubRequestHandler.php(86): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #9 /var/www/html/vendor/symfony/http-kernel/HttpCache/HttpCache.php(458): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle(Object(App\Kernel), Object(Symfony\Component\HttpFoundation\Request), 1, true) #10 /var/www/html/vendor/symfony/http-kernel/HttpCache/HttpCache.php(435): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward(Object(Symfony\Component\HttpFoundation\Request), true) #11 /var/www/html/vendor/symfony/http-kernel/HttpCache/HttpCache.php(333): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch(Object(Symfony\Component\HttpFoundation\Request), true) #12 /var/www/html/vendor/symfony/http-kernel/HttpCache/HttpCache.php(213): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup(Object(Symfony\Component\HttpFoundation\Request), true) #13 /var/www/html/vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php(35): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle(Object(Symfony\Component\HttpFoundation\Request)) #14 /var/www/html/vendor/autoload_runtime.php(29): Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run() #15 /var/www/html/public/index.php(8): require_once('/var/www/html/v...') #16 {main} thrown in /var/www/html/vendor/symfony/framework-bundle/DependencyInjection/FrameworkExtension.php on line 1411