Although the book claims to be up-to-date, the way it registers items/blocks is already outdated. Please use DeferredRegister as oppose to RegistryEvent. Defer

Although the book claims to be up-to-date, the way it registers items/blocks is already outdated. Please use DeferredRegister as oppose to RegistryEvent. DeferredRegister: https://github.com/MinecraftForge/MinecraftForge/blob/1.16.x/src/main/java/net/minecraftforge/registries/DeferredRegister.java https://github.com/MinecraftForge/MinecraftForge/blob/1.16.x... Also, I find Cadiboo's Example Mod super helpful: https://github.com/Cadiboo/Example-Mod https://github.com/Cadiboo/Example-Mod