Solution : https://service.sap.com/sap/support/notes/307054 (SAP Service marketplace login required)
Key words :
message me399 additional key words mepo, sap purchase order transaction automatically, buffering logic decreases performance, prerequisites data buffering exists, enjoy transaction me2xn, source list entry, qm info record, purchase order, message 06889 maintaining, message 06722 creating
Related Notes :
| 491789 | FAQ: Purchase order (ME21N, ME22N, ME23N) |
| 385560 | ME21, ME22: Buffer logic in the case of a change in master d |
| 329437 | ME21N: Functions not available |