What happens:

crash see https://gist.github.com/Phizzhead/717b14d44ebee051c43a886e48cbd189

What you expected to happen:

block gets placed properly

Steps to reproduce:

1. place raw will invesion pillar base
2. place raw will inversion pillar on that base
3. enjoy crashing minecraft =^..^=
   ...
   crash-2016-12-04_08.06.21-client.txt

Affected Versions (Do not use "latest"):

• BloodMagic: BloodMagic|API (@Version@) from BloodMagic-1.9.4-2.1.0-66.jar
• Minecraft: 1.10.2
• Forge:

#989