Reason: The source can't be downloaded in any permitted format. # https://alexdonkers.github.io/bop/ontology.xml # https://alexdonkers.github.io/bop/ontology.xml # https://alexdonkers.github.io/bop/ontology.xml # https://alexdonkers.github.io/bop/ontology.xml # https://alexdonkers.github.io/bop/ontology.xml # https://alexdonkers.github.io/bop/ontology.xml