About: http://webisa.webdatacommons.org/89897836

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I would say the likely cause is a conflict with the referer (as part of nonce security, WP checks to see if the referer was an admin page on the same domain & path).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com