It crashes on runData

[nudelauflauch]

I imported the mod for version 1.20.1-1.1.0. with implementation fg.deobf. When i run my Data it crashes with the error log:
Caused by: java.lang.IllegalStateException: Errors during registry creation
at TRANSFORMER/minecraft@1.20.1/net.minecraft.core.RegistrySetBuilder$BuildState.throwOnError(RegistrySetBuilder.java:136)
Caused by: java.lang.IllegalStateException: Errors during registry creation

at TRANSFORMER/minecraft@1.20.1/net.minecraft.core.RegistrySetBuilder.build(RegistrySetBuilder.java:62)
at TRANSFORMER/minecraft@1.20.1/net.minecraft.data.registries.VanillaRegistries.createLookup(VanillaRegistries.java:72)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768)
... 6 more
Suppressed: java.lang.IllegalStateException: Unreferenced key: ResourceKey[minecraft:worldgen/biome / goodending:oak_hammock_forest]
	at TRANSFORMER/minecraft@1.20.1/net.minecraft.core.RegistrySetBuilder$BuildState.reportRemainingUnreferencedValues(RegistrySetBuilder.java:126)
	at TRANSFORMER/minecraft@1.20.1/net.minecraft.core.RegistrySetBuilder.build(RegistrySetBuilder.java:61)
	... 8 more
Suppressed: java.lang.IllegalStateException: Unreferenced key: ResourceKey[minecraft:worldgen/biome / goodending:marshy_swamp]
	at TRANSFORMER/minecraft@1.20.1/net.minecraft.core.RegistrySetBuilder$BuildState.reportRemainingUnreferencedValues(RegistrySetBuilder.java:126)
	at TRANSFORMER/minecraft@1.20.1/net.minecraft.core.RegistrySetBuilder.build(RegistrySetBuilder.java:61)
	... 8 more