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via GitHub by maxanier
, 1 year ago
This exception has no message.
java.lang.NullPointerException at net.minecraftforge.fml.common.registry.PersistentRegistryManager.makeDelegate([PersistentRegistryManager.class:?] at net.minecraftforge.fml.common.registry.IForgeRegistryEntry$Impl.<init>([IForgeRegistryEntry$Impl.class:?] at amerifrance.guideapi.api.impl.Book.<init>([Book.class:1.9.4-2.0.0-40]