Hello @ericrost ,
Unfortunately, I cannot reproduce it on my side, even if I've seen this error reported by some other customer. Can you please tell me if there is an error reported in MATLAB's Command Window?
I am interested to see if it reports something under the mbd_S32k3_periph_update_cbk script. When the block is opened, it populates the peripherals and my guess is that it is unable to populate the list, which makes that <empty> dropdown option.
Also, can you please tell me which MATLAB version are you using?
mariuslucianand_0-1641240613393.png
Regards,
Marius