I'm having trouble finding documentation on how to access the upper OTPs by the unsecure world. I see that I have to manage exceptions by using STM32CubeMX but its not very clear on how to manage the exceptions using STM32CubeMX.

I am getting "Error: can't fuse again in the OTP" when I tried registering a key on boards that shouldn't have been fused before. Is there a way to confirm if they are fused? Heres a picture of the output: Am I missing a step? I've been following "ST...