The document states that the modifications to the system should have been made in 2020, but in 2021 they still couldn't spell the names of all their customers right, and the bank refused to provide a concrete timeline for the fix. The project that was supposed to fix their naming problem ended up being too complicated to implement and they stuck with their old systems.
International VISA transfers weren't the problem here. Bank statements and online environments carried the wrong name, and those had to be corrected. No sensible court would make a bank disconnect its payment systems because the receiving end uses a shitty system, but when it comes to communication between the bank and its customer, there is no such constraint.
Furthermore, EBDIC had already been extended to support the problematic characters long before the lawsuit took place. "Yes but EBDIC database" wasn't a good excuse because EBDIC itself could handle this specific edge case just fine.
By the time an investigation was done, the bank had made advancements and the name of the original plaintiff was representable, so they didn't receive a fine on that count (though they ended up receiving an impartiality related fine for their privacy officer) according to https://ellentimmer.com/2022/01/12/banken-7/