Include error code in sliver error.
Include error code in sliver error.

GENI-NSF/gram,plantigrade/geni-tools,tcmitchell/geni-tools,tcmitchell/geni-tools,ahelsing/geni-tools,ahelsing/geni-tools,plantigrade/geni-tools,GENI-NSF/gram,GENI-NSF/gram