"Reset Passcode" function does not work

When my PIN code somehow got corrupted, I was able recover by going through the forgotten PIN code process. Note that I was able to access my account via fingerprint so was able to make a note of recent activity before starting this. Resetting the PIN can be confusing though. See:

I’ve written to Revolut directly regarding this. Looking at some of the responses above, it looks like there is a general defect of passcodes sometimes becoming corrupted around a change of phones?