RetroJRPG is a template project and needs to be imported to begin with in an empty project. When importing the asset, select the “Import” option.

Select Install/Upgrade when presented with the project dependencies

Make sure all assets have been selected and press “Next”

And “Import” all the project settings

Finally, it’s recommended to right-click the “RetroJRPG” folder and select “Reimport” and even restart the project after that.