@Rich-O-Brien Thank you sir. I just find the solution, because I did not install sketchucation plugin. it's mean I need to install Lid.rbz and Sketchucation.rbz before using animator.

@Rich-O-Brien thank you sir but will everything in timeline reload also?

@Rich-O-Brien Thank you. But may i know how can i reload sequence?

@Rich-O-Brien thank you but how can I reload my sequence?

I don't know how to save my working sequence project after I change add some movements like car position or more. When I open skp model again it start over without any sequence.