Hello, @Abram,
I have tested it deeply and found that you are absolutely right, the issue is because of the “Advanced Product Fields for WooCommerce plugin” and that plugin is not included in the third-party plugins compatible list confirmed from our end.
Please note that we do not give a guarantee for full theme compatibility with all existing 3rd party plugins.
You can submit a request here https://www.8theme.com/taskboard/ , so our dev team read it.
Thanks for understanding.
Regards 8Themes Team.