We discovered the following issue: when you place a bucket with any liquid over this Wodden Vat (psychedelicraft:mash_tub), the Wodden Vat starts infinitely filling, causing a duplicating glitch that significantly disrupts servers.

Game version: 1.20.1
Using Fabric: Fabric-0.15.1
Mod version: psychedelicraft-1.6.7+1.20.jar