Solution : https://service.sap.com/sap/support/notes/517975 (SAP Service marketplace login required)
Key words : 
fi integration managerlgjvif80 f110 shkzg cr dr tsl hsl dmbe2 dmbe3 debit credit ind gjcb reason, wrong debit/credit indicator -- based, debit/credit indicatorin, terms 20c_hp5   20d_hp2   jva, joint venture process, -------------------jva split lines, theexchange rate difference, thetransaction currency amount, apply note 518704  <<< important, wrong split
Related Notes : 
       
| 518704 | |
| 515173 | |
| 447635 | |
| 111781 | Exchange rate difference and debit/credit indicator |