LODE: get source error

Reason: The source can't be downloaded in any permitted format. # https://dpvcg.github.io/dpv/dpv.rdf # https://dpvcg.github.io/dpv/dpv.rdf # https://dpvcg.github.io/dpv/dpv.rdf # https://dpvcg.github.io/dpv/dpv.rdf # https://dpvcg.github.io/dpv/dpv.rdf # https://dpvcg.github.io/dpv/dpv.rdf