Either "cancel" or "accept" on the second screenshot. If it is about of "kinda SMS verification" you don't need to "accept" and can copy the code manually, but maybe it depends on the application logic. Anyway one cannot understand which steps or options you selected before in the app.
Best praxis with all banking apps from my experience:
- Save a copy of every apk version for future use or reinstall.
- Never update apps like push-tan, etc, because it can happen, that the newer version will not work at all.
- Update only if the current version stops working.
If the step 2 happened, reinstall the previous version from the step 1.