Can't continue Relational database course

I’m trying to continue my lesson for relational database certification, but the codeally isn’t working properly. Does anyone know why this happened?

I tried changing my browser from microsoft edge to google chrome but it shows the same as this picture:

It’s been down for a while I had no choice but to run it locally. You can run it locally following these steps:

Thank you the solution, I guess I need to reinstall my OS, because docker requires the newest version of windows, and I’m using windows 10 ver 1909