The currency with 0 precision is used on the installation (e.g.
JPY). When paying debit document for more than 1000 incorrect value (with the numbers cut) is shown in the wizard:
The issue is caused by the bug with id #PBA-68296 ("Incorrect value in payment wizard for 0-precision currency").
The bug exists on BA 5.5.x and since BA 6.0.6.
The only workaround until the bug is fixed is entering the correct value manually.