Natron: how to resume a render that crashed

Question

I'd like a way to restart a render when a render crashes in Natron, given that the output are written in separated files (using output out_%05d.png).

I don't want to change the first frame in my render because otherwise I could forget what is the actual first frame.

Answer 1

There is a nice solution (thanks Hank): just uncheck the "overwrite" parameter in the write parameter. That way, only non-existing files will be created.