Open it with a text editor (like Notepad++) and locate line 186.
Many manual mods or specific versions require "Dev Mode" for full functionality: Failas: Scrap.Mechanic.v0.6.5.723.zip ...
If this ZIP file contains the full game or a standalone version: Open it with a text editor (like Notepad++)
Navigate to Survival/Scripts/game/SurvivalGame.lua in your game folder. Failas: Scrap.Mechanic.v0.6.5.723.zip ...