Game crashed when trying to open crafting terminal.
This happens for everyone in the server.

• Minecraft Version: 1.12.2
• AE2 Version: rv5-stable-3
• Forge Version: 14.23.1.2568

https://gist.github.com/TheMrCaveman/79288d971dba23c65625b48f6a27ff4e

this issue is apperently not related to AE2 but an ironbackpack issue.