[tde-users] Update problem on bullseye

I've got an older laptop running MX-21 (bullseye based) with TDE (14.1.1 at the time). It's no more used every day and I don't want to upgrade MX or debian (at least for the time), bullseye is OK.

I just wanted to update, but running apt update throws an error for TDE:

KeyError: 'deps-r14' (the error message is longer but I don't know if it's useful to display here),

The lines in tde.list (for psb) are exactly the same as thoses I have for my main install (except that one is running on bookworm).

It's not really important as I can perfectly use 14.1.1 on that laptop, just wondering what's the explanation of this error.