When ever the update Sales Order Items using the Netsuite Update Snap Getting error

Hi All,

I am trying to update Net-suite Line items using the Netsuite update Snap:

when ever the update Sales Order Items using the Netsuite Update Snap Getting error,

platformCore:statusDetail={@type=ERROR, platformCore:code=INVALID_KEY_OR_REF, platformCore:message=The specified key is invalid.}}

Any one Idea please help me on this issue.

Thanks,
kullayappa