<http://webisa.webdatacommons.org/116974817>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<joomla.org> .
<http://webisa.webdatacommons.org/prov/339030704>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/116974817> .
<http://webisa.webdatacommons.org/prov/182852678>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/116974817> .
<http://webisa.webdatacommons.org/116974817>	<http://www.w3.org/ns/prov#value>	"I have exactly the same error.Deleted all directories except templates and images and installed 1.5.21 changing to existing database afterwards." .
<http://webisa.webdatacommons.org/116974817>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .