Solution : https://service.sap.com/sap/support/notes/1540579 (SAP Service marketplace login required)
Key words :
terms sapts_set_data lc bop bopin bopi va01 va02 me22n me21n product allocation parea, routine sapts_set_data raises omsoutofdate exception, apo inbound qrfcs fail, flag check planning area, pal planning area update, routine oms reason, pal group customizings, message /sapapo/om 102, prerequisites reason, retry mode
Related Notes :
1390778 | locking issues during CIF PAL update of planning areas |
1174199 | ATP: locking problem in product allocation during update |