Einstieg in Pluginprogrammierung

Fatal error : Uncaught ReflectionException: Class SwagProductListing\Subscriber\TemplateRegistration does not exist in /html/shopware/engine/Shopware/Components/DependencyInjection/Compiler/EventSubscriberCompilerPass.php:64 Stack trace: #0 /html/shopware/engine/Shopware/Components/DependencyInjection/Compiler/EventSubscriberCompilerPass.php(64): ReflectionClass->__construct(‚SwagProductList…‘) #1 /html/shopware/vendor/symfony/dependency-injection/Compiler/Compiler.php(141): Shopware\Components\DependencyInjection\Compiler\EventSubscriberCompilerPass->process(Object(Symfony\Component\DependencyInjection\ContainerBuilder)) #2 /html/shopware/vendor/symfony/dependency-injection/ContainerBuilder.php(790): Symfony\Component\DependencyInjection\Compiler\Compiler->compile(Object(Symfony\Component\DependencyInjection\ContainerBuilder)) #3 /html/shopware/engine/Shopware/Kernel.php(555): Symfony\Component\DependencyInjection\ContainerBuilder->compile() #4 /html/shopware/engine/Shopware/Kernel.php(300): Shopware\Kernel->initializeC in  /html/shopware/engine/Shopware/Components/DependencyInjection/Compiler/EventSubscriberCompilerPass.php  on line  64

 

Das ist die Meldung die ausgegeben wird. 

Mein Vorgehen => Frische Installation, Plugin hochladen, installieren, aktivieren => Fehlermeldung.  Hab an dem ganzen Plugin keinen Handstreich gemacht bisher. 

 

Kannst du damit was anfangen?