Background of the issue:
I am working on a site under development and want to translate the Group element ID (Anchor) in Gutenberg using WPML. I encountered an error when trying to use custom XML: "Element 'gutenberg-block': No matching global declaration available for the validation root."
Symptoms:
I get an error message when trying to use custom XML for translating Gutenberg Group anchors.
Questions:
How can I translate Gutenberg Group element IDs (Anchors) using WPML?
What is causing the error with the custom XML for Gutenberg blocks?