Solution : https://service.sap.com/sap/support/notes/581530 (SAP Service marketplace login required)
Key words :
posting fi document reason, official document number, argentinian company code, related oss notes, source code corrections, applying support package 39, support package immediatelly, support package 39, support package, release 46c
Related Notes :
578178 | Document ref. number (XBLNR) initialized after SP39/4.6C |