Solution : https://service.sap.com/sap/support/notes/452010 (SAP Service marketplace login required)
Key words :
error message 'screen output, additional key words aposfc, settlement rule manually, settlement rule automatically, settlement rule, generated automatically, process order, planned order, manufacturing order, system branches
Related Notes :
638879 | Settlement rule: Termination DYNPRO_SEND_IN_BACKGROUND |
633078 | APO->R/3: Dialog box w/ conv. |
406333 | Screen output without connection to the user |
170183 |