About: http://webisa.webdatacommons.org/51261146

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	This error is an LDAP error from the AD LDS instance and is telling you already have an object in the directory with that same userPrincipalName.
http://www.w3.org/ns/prov#wasQuotedFrom	msdn.com