Please, try disabling the Display
> Use Instancing Engine
option in the RC object to see if there‘s any difference. Also, if possible, please feel free to send us
your scene to check it here. Ideally, if you'll be able to reproduce it on a minimal scene, which you can send us, it would be great.
Thanks in advance for any further details you can share about it with us / our user community (in case some user(s) will run into similar troubles).