Installed the newest version for 1.10.2 and the server crashes. I rolled back to the previous version and the server started fine.

Crash log: http://pastebin.com/YGmpMYaH
BBW Version: BetterBuildersWands-1.10.2-0.10.2.209+115b204-dev.jar
Forge: 2185

You are using the "-dev" version. Try with the non "-dev" verison. https://minecraft.curseforge.com/projects/better-builders-wands/files/2364318/download