LODE: get source error

Reason: The source can't be downloaded in any permitted format. # http://dataid.dbpedia.org/ns/core # http://dataid.dbpedia.org/ns/core # http://dataid.dbpedia.org/ns/core # http://dataid.dbpedia.org/ns/core # http://dataid.dbpedia.org/ns/core # http://dataid.dbpedia.org/ns/core