Hi @wp1980
You can get the XML export file by exporting it from “Custom Fields > Export”. Please don’t forget to share your code too.
ACF provides support for both free and PRO versions. This page should give you more idea about it: https://www.advancedcustomfields.com/resources/kind-support-provide/.
If you want to get support, kindly open a new ticket here: https://support.advancedcustomfields.com/new-ticket. Also, please don’t forget to explain the issue again and provide the link to this thread.
Thanks 🙂