Fatal error: Uncaught Error: Interface 'Neos\SiteKickstarter\Generator\SitePackageGeneratorInterface' not found in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Application/Neos.SiteKickstarter/Tests/Unit/Service/Fixtures/NamedSitePackageGenerator.php:17 Stack trace: #0 /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Application/Neos.SiteKickstarter/Tests/Unit/Service/SitePackageGeneratorNameServiceTest.php(21): require_once() #1 {main} thrown in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Application/Neos.SiteKickstarter/Tests/Unit/Service/Fixtures/NamedSitePackageGenerator.php on line 17