Solution : https://service.sap.com/sap/support/notes/399073 (SAP Service marketplace login required)
Key words :
additional key words chmod, attached source code corrections, message class /sapapo/atp, call transaction se91, atp check generates, 'rules immediately' mode, calling application prevents, 'rules immediately', calling application, atp customizing
Related Notes :
| 397349 | Sales order with rule-based ATP in the APO system |