Thrown when the Personal Server refused a question registration as
invalid: 400 DERIVATIVE_QUESTION_INVALID (body shape, the scope grammar,
1 to 16 distinct source scopes, an 8000 character question, a model id) or
400 LINEAGE_SCOPE_UNDER_SOURCE_PREFIX (the derived scope shares its first
dot-segment with a source scope). details.field names the offending
field when the server sent one.
Thrown when the Personal Server refused a question registration as invalid: 400
DERIVATIVE_QUESTION_INVALID(body shape, the scope grammar, 1 to 16 distinct source scopes, an 8000 character question, a model id) or 400LINEAGE_SCOPE_UNDER_SOURCE_PREFIX(the derived scope shares its first dot-segment with a source scope).details.fieldnames the offending field when the server sent one.