Solution : https://service.sap.com/sap/support/notes/365771 (SAP Service marketplace login required)
Key words :
system displays error message bp604, terms ekko-memory, attached corrections prevent, enjoy transaction me21n, transaction me22n, purchase order, availability check, longer issues, bp603 reason, commitments
Related Notes :
| 416561 | ME21N commitments, availability check runs incorrectly |
| 372859 | ME21N: Posting a purchase order after commitments error |
| 339856 | Behavior of a purchase order on hold |