I'm getting a frequent crash since updating Deadly World to the newest version. The crash always has the same lines mentioning Forestry, so I'm posting here in hopes of any insight you might have. See my post on Deadly World's Curseforge page here for more details.

Relevant excerpt:

Description: Exception in server tick loop

java.lang.ArrayIndexOutOfBoundsException: 12
at fathertoast.deadlyworld.featuregen.FeatureGenerator.populateChunkTerrain(FeatureGenerator.java:102)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_2344_FeatureGenerator_populateChunkTerrain_Populate.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at net.minecraftforge.event.terraingen.TerrainGen.populate(TerrainGen.java:55)
at forestry.lepidopterology.worldgen.CocoonDecorator.decorateCocoons(CocoonDecorator.java:44)
at forestry.lepidopterology.ModuleLepidopterology.populateChunk(ModuleLepidopterology.java:198)
at forestry.modules.InternalModuleHandler.populateChunk(InternalModuleHandler.java:186)
at forestry.core.worldgen.WorldGenerator.populateChunk(WorldGenerator.java:56)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_2537_WorldGenerator_populateChunk_Post.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at net.minecraftforge.event.ForgeEventFactory.onChunkPopulate(ForgeEventFactory.java:769)
at net.minecraft.world.gen.ChunkGeneratorOverworld.func_185931_b(ChunkGeneratorOverworld.java:491)
at net.minecraft.world.chunk.Chunk.func_186034_a(Chunk.java:1019)
at net.minecraft.world.chunk.Chunk.func_186030_a(Chunk.java:980)
at net.minecraftforge.common.chunkio.ChunkIOProvider.syncCallback(ChunkIOProvider.java:110)
at net.minecraftforge.common.chunkio.ChunkIOExecutor.tick(ChunkIOExecutor.java:150)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:728)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:185)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
at java.lang.Thread.run(Thread.java:748)

Full crash report here.