Apply different type of colors to your objects in the viewport. Viewport Colors is a scripts package for C4D to improve your viewport workflow
https://aescripts.com/c4d-viewport-colors/
Sure, I can fix it. This issue appears because the script doesn't recognize the actual tags from each object but now I know how can I do this.
The most tired part of this it's add this fix for every script, but I'll let you know when the update be ready in the next days.
Cheers!