Having checked this again, for some reason it did not confirm the reconciliation so I tried again, and noticed that it updated the transaction with the correct VAT. So it's just the last part which needs to be changed.
Hello,
We also have a customer on windows who is on 2026-02-28 having the exact same error message after updating.
The title of the messagebox is in our case is: "C:\Program Files(x86)\Han...