ConstReadonlyINSUFFICIENT_SCOPE: "insufficient_scope"The request requires higher privileges than provided by the access token.
ReadonlyINVALID_REQUEST: "invalid_request"The request is missing a required parameter, includes an unsupported parameter or parameter value, or is otherwise malformed.
ReadonlyINVALID_TOKEN: "invalid_token"The access token provided is expired, revoked, malformed, or invalid for other reasons.
Standard RFC 6750 error codes.