The variant selection is not displayed in the frontend
Please first clear all caches and try again. If you are using a custom or third-party Shopware design, please discuss the customization with your web designer or developer. The plugin template may need to be adjusted. You can find this in the "Views" folder in the plugin directory.
Another possibility is incorrect configuration. Please read through the instructions in section 4 carefully again. Please note that product properties and configurator are currently not supported.