We just experienced a server crash: https://paste.dimdev.org/uleyihejic.mccrash

java.lang.NoSuchMethodError: com.creativemd.littletiles.common.entity.EntityAnimationController.isWaitingForRender()Z

The structure was this (A WIP where we were trying to figure out multiple doors and parenting): https://pastebin.com/uPdL0R96

Released a fix for it! Thanks for reporting this issue!