Solution : https://service.sap.com/sap/support/notes/181355 (SAP Service marketplace login required)
Key words : 
additional key words kb11, original document field zlenr, source code corrections, program rkacowrp corrects, incorrect reverse documents, controlling area, transaction currency, object currency, prerequisites due, internal error
Related Notes : 
       
| 154835 | KB61 aft. forgn crcy valuatn completes values <> 0 | 
| 46738 | Different amounts with same currencies |