SOTA Gummy

I was trying to make an RF powered matter maker, but trying to open the GUI caused Minecraft to crash. What's wrong? ContainerMatterGenerator.java GUIContainerMatterGenerator.java GUIHandlerMatterGenerator.java MatterGenerator.java TileEntityMatterGenerator.java EnergyStorageMatterGenerator.java Matter.java RFMatterCore.java matter-generator.json en_us.lang ja_jp.lang matter-generator.json matter-generator.json matter.json mcmod.info pack.mcmeta crash-2020-02-23_23.43.12-server.txt