Hello, We have recently received the two following errors as part of a PDF extraction process and I am trying to figure what the difference is between the two errors? 1. ERROR <Ens>ErrException: <MAXSTRING>zGetReferralDocFromStream+30^UCLH.SIP.Operation.PBT.HTTP.V1.RefDocRequest.1 -- logged as '-' number - @' set file=object.%Get(i).file'   2. ERROR <Ens>ErrException: <STRINGSTACK>zGetReferralDocFromStream+30^UCLH.SIP.Operation.PBT.HTTP.V1.RefDocRequest.1 -- logged as '-' number - @' set file=object.%Get(i).file'   Can someone please explain what the difference is? Thanks!