Steps to Reproduce the Bug

1. Open Inventory and search for any item essence from Mystical Agriculture
2. Left Click on any item essence from Mystical Agriculture
3. Instant Crash

Expected Behavior

Following the steps to reproduce should yield a GUI opening to view how to create the item essence.

Actual Behavior

Due to this bug it will instantly crash the minecraft environment and bring you to the launcher with a Game Crashed box.

Mod Pack URL (Optional)

https://www.curseforge.com/minecraft/modpacks/popfizzle

Mod Pack Version (Optional)

1.7

Extra Notes (Optional)

No response

latest.log

https://gist.github.com/TiggyTheTiger/173e8d45f8651b2b356f7a792a4dc870