Please give us more details about your audio setup:
- which interface do you use?
- which MIDI controller do you use?
- are you using vepro?
Does it work when you disconnect your MIDI controller before starting Cubase?
There’s another topic about the same error message. Unfortunately, without a working solution for that user. However, one of those suggestions might work in your particular case:
It's Cubase 12 and Cubase still hangs or crashes on exit