The rendering result has changed

Discussion
1

When rendering is interrupted and resumed from the next frame,
The rendering result has changed.
Is there a solution?

cache velocity is done.

Any help is appreciated.
Thank you.

2

Do you mean simulated ?

3

Thank you for your reply.
It’s about rendering.

4

If nothing has changed then each re render of a simulation frame MUST be identical. You therefore must have changed some rendering parameter or frame step somewhere

5

If nothing has changed then each re render of a simulation frame MUST be identical.
I agree with you.

I am a beginner so I may have made a mistake.
I will try again.

Thank you.