Thank you for your response.
entering this command has helped. playing in god mode is average ...
additionally, the lesson for the future is to leave more saved game states.

Hello everyone, this is my first post in this forum.
I'm just starting my adventure with Factorio. I created a map in the editor and I learned what and how ... at some point, when editing the saved game, I removed my character (avatar). after returning to the game, the construction system, etc ...