Fatal error: Uncaught Symfony\Component\DependencyInjection\Exception\InvalidArgumentException: You cannot set service "service_container". in /homepages/16/d188614071/htdocs/mwa/forum/vendor/symfony/dependency-injection/Container.php:180 Stack trace: #0 /homepages/16/d188614071/htdocs/mwa/forum/vendor/symfony/dependency-injection/ContainerBuilder.php(537): Symfony\Component\DependencyInjection\Container->set('service_contain...', Object(phpbb_cache_container)) #1 /homepages/16/d188614071/htdocs/mwa/forum/cache/container_0374ec857381230fa83049643ce3cdee.php(30): Symfony\Component\DependencyInjection\ContainerBuilder->set('service_contain...', Object(phpbb_cache_container)) #2 /homepages/16/d188614071/htdocs/mwa/forum/phpbb/di/container_builder.php(139): phpbb_cache_container->__construct() #3 /homepages/16/d188614071/htdocs/mwa/forum/common.php(98): phpbb\di\container_builder->get_container() #4 /homepages/16/d188614071/htdocs/mwa/forum/viewforum.php(20): include('/homepages/16/d...') #5 {main} thrown in /homepages/16/d188614071/htdocs/mwa/forum/vendor/symfony/dependency-injection/Container.php on line 180