We are contacting, as the product variations are not showing up after theme update on our site.
It is stressing, as the eshop won’t work anymore at this moment.
Will be waiting for your response.
Site URL: hidden Theme version: v 2.9 WooCommerce version: 2.6.14
Please, check if the problem persists with default Woocommerce theme Storefront.
Also, update all required plugins http://www.8theme.com/download-plugins/ and try to disable all 3-rd party plugins and check then.