Solution : https://service.sap.com/sap/support/notes/451338 (SAP Service marketplace login required)
Key words :
field eina-wglif, mepo pricing_dialog_pai reason, 'conditions' tab page, info record data, info record, purchase order, transaction me22n, item conditions, price determination, condition tables
Related Notes :
| 381391 | ME21N: Redesign of price determination routine |