On September 3rd, 2014, a disgruntled ex-developer erased from the internet the work of over 150 developers over four years. This is the story of the Bukkit Minecraft server project's untimely demise, and how you can prevent your project from suffering the same fate. This session covers the rise and fall of Bukkit, the project's licensing mistakes and how they catalyzed the project's fall, and why you should not take your open source license lightly.