CRAFTBOOK-3207 - Reported by kikelkik

When using the latest CraftBook Build #4150 the plugin could not load because of a missing plugin.yml file:
http://pastebin.com/qJSS60Bu

Comment by me4502

You should not be using CraftBook 4 on Spigot, it is for Sponge.

Use CraftBook 3.9, http://ci.md-5.net/job/CraftBook/