Solution : https://service.sap.com/sap/support/notes/199837 (SAP Service marketplace login required)
Key words : 
logistics invoice verification miro, additional key words miro, invoice items exist, exchange rate fields, fixed exchange rate, exchange rate, items exist, currency key, subsequent change, basic data
Related Notes : 
       
| 373124 | MIRO: Incorrect amounts on GR/IR clearing account |