Why a reference was rejected before any request was made:
invalid_reference (not <name>://<id>), unknown_source (name not in
config sources), invalid_id (empty, . or .. segment, or the built
URL would leave the configured origin). The reference-level subset of
core documentRejectionCodeSchema.
Why a reference was rejected before any request was made:
invalid_reference(not<name>://<id>),unknown_source(name not in configsources),invalid_id(empty,.or..segment, or the built URL would leave the configured origin). The reference-level subset of coredocumentRejectionCodeSchema.