Fatal error: Uncaught Error: Class 'Language_Main' not found in /www/shop/vendor/oxid-esales/oxideshop-ce/tests/Integration/Multilanguage/Helpers/LanguageMainHelper.php:7 Stack trace: #0 /www/shop/vendor/oxid-esales/oxideshop-ce/tests/Integration/Multilanguage/MultilanguageTestCase.php(10): require_once() #1 {main} thrown in /www/shop/vendor/oxid-esales/oxideshop-ce/tests/Integration/Multilanguage/Helpers/LanguageMainHelper.php on line 7