The following requirements must met to ensure that Open PS for Microsoft Project can run with R/3.

Microsoft Windows platform

Microsoft Project 98 SR-1 US version

SAP GUI standard installation release 4.5b and higher or copy and register the following OCX controls:
SAP Table Factory Conrol (wdtaocx.ocx)
SAP Table Factory View Conrol (wdtvocx.ocx)
SAP Logon Control (wdobapi.ocx)
SAP BAPI Control (wdtlog.ocx)

Open PS for Microsoft Project runs with R/3 releases from 4.5 onwards. It is however essential that the following notes are applied to your system: 166132, 167003, 167868, 168126, 170121, 171479, 170123, 146923, 145133, 166870, 148042, 138956