1. Close Steam 2. Unsubscribe from the mod on the workshop 3. Open steam, then reclose it again (so it registers the unsubscription) 4. Delete the mod from your ark mods folder (\Steam\steamapps\common\ARK\ShooterGame\Content\Mods\1657570103) 5. Delete the mod from your steam workshop folder (\Steam\steamapps\workshop\content\346110\1657570103) 6. Open and close steam one more time for good measure 7. Resubscribe to the mod 8. Open steam. It might take a bit for steam to register the subscription. Steam will begin downloading (as you can see from the bar on the bottom of the steam window)