package net.minecraftforge.fml.common.registry; public class IncompatibleSubstitutionException extends RuntimeException { public IncompatibleSubstitutionException(String fromName, Object replacement, Object original) { super(String.format("The substitute %s for %s (type %s) is type incompatible.", replacement.getClass().getName(), fromName, original.getClass().getName())); } private static final long serialVersionUID = 1L; }