Question: Does all the graph need to starts from "0" and all the other point in sequence?

[PoChenLiu]

I got several graphs, but all the points mean different location, so not all the graph starts fom "0", maybe start from 10 then through 12, 25, 36. I still follow the dataset example to form my json file, but it shows "the index is out of bounds for dimension OOO with size XXX".

thanks!!