Runnable files will usually have a file with an extension such as .exe (for Windows executables) or .html (web player builds). You may need to enable “Show file extensions” in File Explorer if you’re on Windows. For game engines like Unity and Godot, you’ll only get runnable files once you Export the game. All the other files are project files, or the raw assets used to make your game. Spare Gadgets is saying to make sure you don’t upload these project files, and instead Export the game and upload the runnable files.
This is an example of project files (do not upload these):

This is an example of runnable files for Windows (zip and upload these! Users can then download them to play on their PC):

I can get it up also do you have any idea how to fix these errors I fixed the other ones but these dont want to be fixed I guess