Solution : https://service.sap.com/sap/support/notes/660498 (SAP Service marketplace login required)
Key words :
terms pcuibusiness documentpartneradd entry manuallyno addresscom_partner147com_partner145 reason, business document partner tabstrip, error message com_partner147, error message com_partner145, prerequisites program error, partner function, partner number, partner field, previous partner, press enter
Related Notes :
696626 | Collective note for partner determination in PC-UI in 4.0 |