Warning: require_once(/srv/www/riva-gmbh/public/web//system/modules/event-dispatcher/classes/src/ContaoCommunityAlliance/Contao/EventDispatcher/EventDispatcherEvents.php): failed to open stream: No such file or directory in system/modules/!metamodels-tng-branch/config/vendor_autoload.php on line 837
#0 system/modules/!metamodels-tng-branch/config/vendor_autoload.php(837): __error(2, 'require_once(/s...', '/srv/www/riva-g...', 837, Array)
#1 system/modules/!metamodels-tng-branch/config/vendor_autoload.php(837): require_once()
#2 [internal function]: autoload_446df1d8536436f29587dcf24ddac2f8('ContaoCommunity...')
#3 composer/vendor/contao-community-alliance/event-dispatcher/src/ContaoCommunityAlliance/Contao/EventDispatcher/EventDispatcherInitializer.php(47): spl_autoload_call('ContaoCommunity...')
#4 system/modules/event-dispatcher/config/services.php(68): ContaoCommunityAlliance\Contao\EventDispatcher\EventDispatcherInitializer->create(Object(Closure), Object(Closure))
#5 composer/vendor/pimple/pimple/lib/Pimple.php(126): DependencyInjection\Container\ContainerInitializer->{closure}(Object(Pimple))
#6 composer/vendor/pimple/pimple/lib/Pimple.php(83): Pimple::{closure}(Object(Pimple))
#7 system/modules/metamodels/config/services.php(85): Pimple->offsetGet('event-dispatche...')
#8 system/modules/metamodels/config/services.php(110): DependencyInjection\Container\ContainerInitializer->{closure}(Object(Pimple))
#9 composer/vendor/pimple/pimple/lib/Pimple.php(126): DependencyInjection\Container\ContainerInitializer->{closure}(Object(Pimple))
#10 composer/vendor/pimple/pimple/lib/Pimple.php(83): Pimple::{closure}(Object(Pimple))
#11 system/modules/metamodels/classes/src/MetaModels/Helper/SubSystemBoot.php(92): Pimple->offsetGet('metamodels-serv...')
#12 system/cache/config/config.php(2293): MetaModels\Helper\SubSystemBoot->boot(Object(Pimple))
#13 [internal function]: Contao\Config->{closure}(Object(Pimple))
#14 composer/vendor/contao-community-alliance/dependency-container/src/DependencyInjection/Container/ContainerInitializer.php(116): call_user_func(Object(Closure), Object(Pimple))
#15 composer/vendor/contao-community-alliance/dependency-container/src/DependencyInjection/Container/ContainerInitializer.php(449): DependencyInjection\Container\ContainerInitializer->callHooks(Object(Pimple))
#16 system/initialize.php(243): DependencyInjection\Container\ContainerInitializer->init()
#17 index.php(16): require('/srv/www/riva-g...')
#18 {main}

Fatal error: require_once(): Failed opening required '/srv/www/riva-gmbh/public/web//system/modules/event-dispatcher/classes/src/ContaoCommunityAlliance/Contao/EventDispatcher/EventDispatcherEvents.php' (include_path='.:/usr/share/php') in /srv/www/riva-gmbh/public/web/system/modules/!metamodels-tng-branch/config/vendor_autoload.php on line 837