interact, change something in a past life?

I apologize that I am going to sound super strange with this post.

This is more of an "fantasy" idea I have that I do not know if it would be possible to make into a form of reality.

I have many past life memories and in dreams, meditations and even when I am awake I have had flashbacks. Most of the time I am just "normal" living my life and doing fine with it.

Now I want to change something in my past life very much. Impossible, right? Only when thinking about everything happening now, with time not being linear and the idea of time travel... it has sort of given birth to this idea in my head that I do not even know could be possible. Therefor the making of this thread...

Can one interfere/communicate to the past life self/change an event in a past life? If - how? What would be the safest way?