[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 571: include(): Failed opening '[ROOT]/vendor/composer/../symfony/config/Definition/ConfigurationInterface.php' for inclusion (include_path='.:/opt/alt/php82/usr/share/pear:/opt/alt/php82/usr/share/php:/usr/share/pear:/usr/share/php')

Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Definition\ConfigurationInterface" not found in /home/G/geobergenno/subdomener/forum/phpbb/di/extension/container_configuration.php:19 Stack trace: #0 /home/G/geobergenno/subdomener/forum/phpbb/class_loader.php(160): require() #1 [internal function]: phpbb\class_loader->load_class() #2 /home/G/geobergenno/subdomener/forum/phpbb/di/extension/core.php(115): ReflectionClass->__construct() #3 /home/G/geobergenno/subdomener/forum/vendor/symfony/dependency-injection/Compiler/MergeExtensionConfigurationPass.php(63): phpbb\di\extension\core->getConfiguration() #4 /home/G/geobergenno/subdomener/forum/vendor/symfony/http-kernel/DependencyInjection/MergeExtensionConfigurationPass.php(39): Symfony\Component\DependencyInjection\Compiler\MergeExtensionConfigurationPass->process() #5 /home/G/geobergenno/subdomener/forum/vendor/symfony/dependency-injection/Compiler/Compiler.php(140): Symfony\Component\HttpKernel\DependencyInjection\MergeExtensionConfigurationPass->process() #6 /home/G/geobergenno/subdomener/forum/vendor/symfony/dependency-injection/ContainerBuilder.php(789): Symfony\Component\DependencyInjection\Compiler\Compiler->compile() #7 /home/G/geobergenno/subdomener/forum/phpbb/di/container_builder.php(448): Symfony\Component\DependencyInjection\ContainerBuilder->compile() #8 /home/G/geobergenno/subdomener/forum/phpbb/di/container_builder.php(162): phpbb\di\container_builder->load_extensions() #9 /home/G/geobergenno/subdomener/forum/common.php(127): phpbb\di\container_builder->get_container() #10 /home/G/geobergenno/subdomener/forum/viewtopic.php(20): include('/home/G/geoberg...') #11 {main} thrown in /home/G/geobergenno/subdomener/forum/phpbb/di/extension/container_configuration.php on line 19