Ошибка при записи

Версия Minecraft
1.15.2
20
1
Не могу понять почему происходит ошибка при записи.

Java:
    @Override
    public CompoundNBT write(CompoundNBT compound) {
        super.write(compound);
        if (!this.checkLootAndWrite(compound)) {
            ItemStackHelper.saveAllItems(compound, entityContent);
        }
        return compound;
    }
 
Краш-лог
[02:23:52] [Server thread/ERROR] [minecraft/Chunk]: A TileEntity type lishy2.treefarm.entities.CultivatorBlockEntity has thrown an exception trying to write state. It will not persist, Report this to the mod author
java.lang.RuntimeException: class lishy2.treefarm.entities.CultivatorBlockEntity is missing a mapping! This is a bug!
at net.minecraft.tileentity.TileEntity.writeInternal(TileEntity.java:64) ~[?:?] {re:classloading}
at net.minecraft.tileentity.TileEntity.write(TileEntity.java:58) ~[?:?] {re:classloading}
at net.minecraft.tileentity.LockableTileEntity.write(LockableTileEntity.java:35) ~[?:?] {re:classloading}
at lishy2.treefarm.entities.ItemHolderEntity.write(ItemHolderEntity.java:85) ~[?:?] {re:classloading}
at net.minecraft.world.chunk.Chunk.func_223134_j(Chunk.java:426) ~[?:?] {re:classloading}
at net.minecraft.world.chunk.storage.ChunkSerializer.func_222645_a(ChunkSerializer.java:286) ~[?:?] {re:classloading}
at net.minecraft.world.server.ChunkManager.func_219229_a(ChunkManager.java:691) ~[?:?] {re:classloading}
at net.minecraft.world.server.ChunkManager.lambda$save$9(ChunkManager.java:362) ~[?:?] {re:classloading}
at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) [?:?] {}
at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) [?:?] {}
at java.util.Iterator.forEachRemaining(Iterator.java:133) [?:?] {}
at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) [?:?] {}
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) [?:?] {}
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) [?:?] {}
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) [?:?] {}
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) [?:?] {}
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) [?:?] {}
at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) [?:?] {}
at net.minecraft.world.server.ChunkManager.save(ChunkManager.java:359) [?:?] {re:classloading}
at net.minecraft.world.server.ServerChunkProvider.save(ServerChunkProvider.java:311) [?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.world.server.ServerWorld.save(ServerWorld.java:754) [?:?] {re:classloading}
at net.minecraft.server.MinecraftServer.save(MinecraftServer.java:528) [?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:109) [?:?] {re:classloading,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:637) [?:?] {re:classloading,pl:accesstransformer:B}
at java.lang.Thread.run(Thread.java:834) [?:?] {}
Краш-лог:
[02:23:52] [Server thread/ERROR] [minecraft/Chunk]: A TileEntity type lishy2.treefarm.entities.CultivatorBlockEntity has thrown an exception trying to write state. It will not persist, Report this to the mod author
java.lang.RuntimeException: class lishy2.treefarm.entities.CultivatorBlockEntity is missing a mapping! This is a bug!
	at net.minecraft.tileentity.TileEntity.writeInternal(TileEntity.java:64) ~[?:?] {re:classloading}
	at net.minecraft.tileentity.TileEntity.write(TileEntity.java:58) ~[?:?] {re:classloading}
	at net.minecraft.tileentity.LockableTileEntity.write(LockableTileEntity.java:35) ~[?:?] {re:classloading}
	at lishy2.treefarm.entities.ItemHolderEntity.write(ItemHolderEntity.java:85) ~[?:?] {re:classloading}
	at net.minecraft.world.chunk.Chunk.func_223134_j(Chunk.java:426) ~[?:?] {re:classloading}
	at net.minecraft.world.chunk.storage.ChunkSerializer.func_222645_a(ChunkSerializer.java:286) ~[?:?] {re:classloading}
	at net.minecraft.world.server.ChunkManager.func_219229_a(ChunkManager.java:691) ~[?:?] {re:classloading}
	at net.minecraft.world.server.ChunkManager.lambda$save$9(ChunkManager.java:362) ~[?:?] {re:classloading}
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) [?:?] {}
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) [?:?] {}
	at java.util.Iterator.forEachRemaining(Iterator.java:133) [?:?] {}
	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) [?:?] {}
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) [?:?] {}
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) [?:?] {}
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) [?:?] {}
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) [?:?] {}
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) [?:?] {}
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) [?:?] {}
	at net.minecraft.world.server.ChunkManager.save(ChunkManager.java:359) [?:?] {re:classloading}
	at net.minecraft.world.server.ServerChunkProvider.save(ServerChunkProvider.java:311) [?:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.world.server.ServerWorld.save(ServerWorld.java:754) [?:?] {re:classloading}
	at net.minecraft.server.MinecraftServer.save(MinecraftServer.java:528) [?:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:109) [?:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:637) [?:?] {re:classloading,pl:accesstransformer:B}
	at java.lang.Thread.run(Thread.java:834) [?:?] {}
7,099
324
1,510
7,099
324
1,510
Как бы на новых версиях рекомендуется юзать события регистрации(на самых последних это, вроде, единственный способ)
 
Сверху