Error: Redshift failed to init the cuda driver api

Please help me.
i use redshift render for cinema 4D r.20
i see error:

Error: Redshift failed to init the cuda driver api

My Hardware is
i-mac Late 2012 27" inch
Nvidia GeForce GTX 675 Mx

CUDA Driver Version 418.163
GPU Driver Version 355.1.10.10.20.111

Why i can’t use Redshift Render

i have the same issue
anyone help