Install sample data
in the front end go to the typography page
view soiurce and copy the contents of the schema json
Go to https://validator.schema.org/
paste the copied json and validate
No errors
urn:spore:id is not a known valid target type for the breadcrumb property.
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This appears to be caused by google not following the schema.org specs - so it fails validation at https://validator.schema.org/ bu passes validation at https://search.google.com/test/rich-result
Some more info from yoast https://yoast.com/help/breadcrumb-changes-yoast-seo/