Fatal error: Uncaught Error: Interface "Sylius\Bundle\ThemeBundle\Configuration\Test\TestThemeConfigurationManagerInterface" not found in /home/flighto/e-commerce/vendor/sylius/theme-bundle/src/Configuration/Test/TestThemeConfigurationManager.php:19 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/sylius/theme-bundle/src/Configuration/Test/TestThemeConfigurationManager.php on line 19