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It's also 1.19

I converted the example mod Java Class to a Kotlin Class. When running it I got this error (which is in the title). Nothing has changed except adding Kotlin to my build.gradle and changing the example mod properties. I'm using IntelliJ as my IDE. Here is the error again... Caused by: java.lang.ClassNotFoundException: kotlin.jvm.internal.Intrinsics

Also It's 1.12.2.

Hi, I'm making a Minecraft Forge Mod, and I can't find a way to receive the blocks id & name, and receive chat messages. Two separate .java files.