Solution : https://service.sap.com/sap/support/notes/496944 (SAP Service marketplace login required)
Key words : 
select relavant item catagory, header -> sale -> tabstrip accounting, thailand finance ministry, terms vbrk-kurff, bkpf-wwert reason, goto source code, -                     clear cvbrk-kurrf, clear field exch, cancelled document insted, current billing date
Related Notes : 
       
| 125272 | Dif. translation date f. cancel. than billing doc. |