So when I run the game I get this error message D: I only have this plugin and eli book installed turned on

Manage screen resolutions, screen scales and fullscreen on your game! · By
Plugin was with a wrong default parameter value for screen resolution. Causing a crash. Fixed!
Hi there!
I see! Thanks for the feedback! I did some investigation and it was my bad. The plugin parameter "Resolution list" under the ScreenManager plugin has a wrong default value.
Please open it, remove the commas, and set each resolution on each line. When you open, each should look like this:

Change to this:

I will update the plugin too! But since you already have it on your project, you may need to change that parameter.