Before enabling any mod right click on the mouse and select the "Explore" option. You should see a folder called "Data" if so then the mod is ready to be installed. If not then this mod has a folder within another folder and if installed will not work. Right click on the mouse and select "Delete" to remove it from JSGME. Go to where you have the mod and look at it's path. You "Copy" or "Extract the Folder before the Data folder to your Mods folder. Explore in JSGME again to make sure you are looking at the "Data" folder.
Good luck.
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