send_tan() fails for Deutsche Bank with Dialog response: 9050

[gMoellemann]

Describe the bug A couple of month ago, I started getting the error Dialog response: 9050 when trying to send a tan to Deutsche Bank. The code worked fine previously and I have used it multiple times to fetch my transaction data.

*Bank I tested this with Name of the bank: Deutsche Bank FinTS URL: "https://fints.deutsche-bank.de"

Expected behavior TAN should be accepted by the bank and allow me to fetch my account information