Fatal error: Uncaught Symfony\Component\DependencyInjection\Exception\RuntimeException: Service "prestashop.module.combinationsale.option.form.type": Parent definition "form.type.translatable.aware" does not exist. in

Fatal error: Uncaught Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException: You have requested a non-existent service "prestashop.module.xxx.xx.repository

prestashop Attempted to load class "moduleName" from the global namespace

add this section to composer.json of your module ,

and excute composer update in command line, then module can load the Class of moudule port file