The Nucleus USB soundcard is not compatible with Mac OS 10.2 Sierra.
Not Applicable to Nucleus 2 - For Nucleus 2 see compatibility see here (https://solidstatelogic.secure.force.com/support/articles/en_US/Product_faq/SSL-Software-and-Mac-OS-10-12-Sierra/?l=en_US&c=Product%3ASigma&fs=Search&pn=1)
The DAW controller functionality of Nucleus is fully compatible with Mac OS 10.2 Sierra.
