Solution : https://service.sap.com/sap/support/notes/65206 (SAP Service marketplace login required)
Key words :
additional key words m8055 bseg-sgtxt account assignment, field bseg-sgtxt, purchase order assigned, purchase order item, input/output field, required-entry fields, prerequisites program error, required entry, text field, error message
Related Notes :
63859 | MR08/MR44:Order item data in PO assigned to an acct |