Can you please help with this error as below :

ERROR <Ens>ErrException: <INVALID OREF>zOnGetReplyAction+120^EnsLib.HL7.Operation.ReplyStandard.1 -- logged as '-' number - @' Set tPrevSeg=tSegName, tSegName=tMSA.GetValueAt(0)'
 
 
Thanks,
Frank