Pycharm seemingly not running code properly (?)

Question

I was changing my setting in Pycharm and ended up something that I did not want to do and, because I did not know how to put Pycharm back the way I wanted it to, I reset the setting to the original ones that come with Pycharm.

Doing this caused some issues and now I can't click on the Run 'file' option or the Debug 'file' option. These used to be green buttons but now they don't seem to be working for some reason.

This is a picture of what it looks like

Also, I don't know much about Pycharm but I got the error No python interpreter configured for the project and it might have something to do with this but I really don't know. I looked at a youtube video that told me how to fix this problem, which I did. But I can't find a solution to this one about the notebook not running.

If anyone knew the solution to this problem it would be greatly appreciated

Run configurations