Conveyor tracking with multiple robots on the same conveyor

I would like to simulate picking objects from a single conveyor with multiple robots running on a track where the track runs in parallel with the conveyor. I've successfully created a conveyor tracking simulation where one robot on a track is tracking the conveyor but when the system consist of two robots on a track, Robotstudio seems to fail generating the correct configuration files. Furthermore an exception is thrown (attached in this post).

The robots should move independently and focus on one object each on the conveyor.

So my questions are basically:

1. How do I create a simulation with multiple robots on a track that can do conveyor tracking?
2. Is it possible for a conveyor to have multiple sync points (each robot should be responsible for a specific segment of the conveyor)?

Thanks!