Question when I add two timeline plugins in one person in sequence, they cannot be sync, anyone know why?

[situleideng]

Each timeline plugin contains one animation, so I added two timeline plugins for one person (there are two persons in total, each one equiped with two timelines)

I want to switch between the two timeline plugins, but only the first timeline can be synced, the other one can't. Anyone knows how to solve it?

 

[atani]

Why do you need 2 Timelines per person? Use segments instead.