Fatal error: Uncaught Symfony\Component\DependencyInjection\Exception\InvalidArgumentException: Expected to find class "Extcode\Cart\Constants" in file "/usr/www/users/esblow/esb-guides/updatetypo3/typo3conf/ext/cart/Classes/Constants.php" while importing services from resource "../Classes/*", but it was not found! Check the namespace prefix used with the resource. in /usr/www/users/esblow/esb-guides/resources/typo3_src-10.4.26/vendor/symfony/dependency-injection/Loader/FileLoader.php:206 Stack trace: #0 /usr/www/users/esblow/esb-guides/resources/typo3_src-10.4.26/vendor/symfony/dependency-injection/Loader/FileLoader.php(99): Symfony\Component\DependencyInjection\Loader\FileLoader->findClasses('Extcode\\Cart\\', '../Classes/*', Array) #1 /usr/www/users/esblow/esb-guides/resources/typo3_src-10.4.26/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php(611): Symfony\Component\DependencyInjection\Loader\FileLoader->registerClasses(Object(Symfony\Component\DependencyInjection\Definition), 'Extcode\\Cart\\', '../Classe in /usr/www/users/esblow/esb-guides/resources/typo3_src-10.4.26/vendor/symfony/dependency-injection/Loader/FileLoader.php on line 206