Solution : https://service.sap.com/sap/support/notes/915365 (SAP Service marketplace login required)
Key words :
invalid product-location combination, product location combination, product location combinations, planning log displays, transaction /sapapo/rrp3, terms /sapapo/om17, transaction /sapapo/om17, /sapapo/om008, planned order, error message
Related Notes :
770673 | /SAPAPO/OM_LC_UPGRADE_41: Problems during the upgrade |