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

[lutuh]

The information you have stated is insufficient in order to diagnose your bug. Please close this issue and create a new one, using the complete issue template provided.

To obtain the debug output, make sure you use out the script provided here: https://python-fints.readthedocs.io/en/latest/trouble.html