Error Codes

ILLUMOS_BAD_REQUEST: The request body or query is invalid.
ILLUMOS_UNAUTHORIZED: Authentication is missing or invalid.
ILLUMOS_FORBIDDEN: The token does not permit this operation.
ILLUMOS_NOT_FOUND: The requested resource was not found.
ILLUMOS_RATE_LIMITED: Request rate exceeded the allowed preview limit.
ILLUMOS_SERVER_ERROR: Unexpected server failure.
