Solution : https://service.sap.com/sap/support/notes/456114 (SAP Service marketplace login required)
Key words :
symptom product location combinations, transaction /sapapo/om09, source code correction, return code 38, called pegareas, transactional simulations, means requests, planning runs, -hand side, program error
Related Notes :
537359 | SAP note APO 3.0+3.1: Recovery, OM_REORG_DAILY, tracing |
457190 | Pegareas are not logged when using transactional simulations |
439576 |