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Error with Worldgen Data Pack java.util.concurrent.CompletionException: java.lang.NullPointerException: Cannot invoke "crn.d()" because the return value of "java.util.function.Supplier.get()" is null

Flashbulb's Avatar Flashbulb6/2/21 11:30 am history
2 emeralds 277
I am unable to use my worldgen data pack that adds dimensions and biomes in 1.17 Pre-releases. It gives me an error and does not tell me anything is wrong with my .json files.
Debug Log
[​11:11:05] [​Render thread/WARN]: Ambiguity between arguments [​teleport, location] and [​teleport, destination] with inputs: [​0.1 -0.5 .9, 0 0 0]
[​11:11:05] [​Render thread/WARN]: Ambiguity between arguments [​teleport, location] and [​teleport, targets] with inputs: [​0.1 -0.5 .9, 0 0 0]
[​11:11:05] [​Render thread/WARN]: Ambiguity between arguments [​teleport, destination] and [​teleport, targets] with inputs: [​Player, 0123, @e, dd12be42-52a9-4a91-a8a1-11c01849e498]
[​11:11:05] [​Render thread/WARN]: Ambiguity between arguments [​teleport, targets] and [​teleport, destination] with inputs: [​Player, 0123, dd12be42-52a9-4a91-a8a1-11c01849e498]
[​11:11:05] [​Render thread/WARN]: Ambiguity between arguments [​teleport, targets, location] and [​teleport, targets, destination] with inputs: [​0.1 -0.5 .9, 0 0 0]
[​11:11:05] [​Render thread/INFO]: Reloading ResourceManager: Default, Server Dimensions 1.17
[​11:11:07] [​Render thread/INFO]: Loaded 7 recipes
[​11:11:07] [​Render thread/INFO]: Loaded 1144 advancements
[​11:11:08] [​Render thread/WARN]: Failed to validate datapack
java.util.concurrent.CompletionException: java.lang.NullPointerException: Cannot invoke "crn.d()" because the return value of "java.util.function.Supplier.get()" is null
at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314) [?:?]
at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319) [?:?]
at java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:718) [?:?]
at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478) [?:?]
at aqu.c(SourceFile:151) [​1.17-pre3.jar:?]
at aqy.c(SourceFile:23) [​1.17-pre3.jar:?]
at aqu.z(SourceFile:125) [​1.17-pre3.jar:?]
at aqu.bq(SourceFile:110) [​1.17-pre3.jar:?]
at dvo.f(SourceFile:1077) [​1.17-pre3.jar:?]
at dvo.e(SourceFile:730) [​1.17-pre3.jar:?]
at net.minecraft.client.main.Main.main(SourceFile:217) [​1.17-pre3.jar:?]
Caused by: java.lang.NullPointerException: Cannot invoke "crn.d()" because the return value of "java.util.function.Supplier.get()" is null
at cvx.a(SourceFile:34) ~[​1.17-pre3.jar:?]
at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:273) ~[?:?]
at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) ~[?:?]
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?]
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?]
at java.util.stream.StreamSpliterators$WrappingSpliterator.forEachRemaining(StreamSpliterators.java:312) ~[?:?]
at java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734) ~[?:?]
at java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:735) ~[?:?]
at java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:735) ~[?:?]
at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[?:?]
at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:276) ~[?:?]
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?]
at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) ~[?:?]
at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[?:?]
at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:276) ~[?:?]
at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) ~[?:?]
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[?:?]
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?]
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) ~[?:?]
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682) ~[?:?]
at bxp.<init>(SourceFile:67) ~[​1.17-pre3.jar:?]
at com.mojang.datafixers.util.Function4.lambda$null$2(Function4.java:14) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.serialization.DataResult$Instance.ap2(DataResult.java:315) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.datafixers.kinds.Applicative.ap4(Applicative.java:84) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.serialization.codecs.RecordCodecBuilder$Instance$7.decode(RecordCodecBuilder.java:404) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.serialization.codecs.RecordCodecBuilder$2.decode(RecordCodecBuilder.java:107) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.serialization.codecs.RecordCodecBuilder$Instance$7.decode(RecordCodecBuilder.java:408) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.serialization.codecs.RecordCodecBuilder$2.decode(RecordCodecBuilder.java:107) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.serialization.MapDecoder.lambda$compressedDecode$0(MapDecoder.java:52) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.serialization.DataResult.lambda$flatMap$10(DataResult.java:138) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.serialization.DataResult.flatMap(DataResult.java:136) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.serialization.MapDecoder.compressedDecode(MapDecoder.java:52) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.serialization.MapCodec$MapCodecCodec.decode(MapCodec.java:91) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.serialization.Decoder.parse(Decoder.java:18) ~[​datafixerupper-4.0.26.jar:?]
at wt$b$1.a(SourceFile:225) ~[​1.17-pre3.jar:?]
at wt.a(SourceFile:152) ~[​1.17-pre3.jar:?]
at wt.a(SourceFile:123) ~[​1.17-pre3.jar:?]
at com.mojang.serialization.DataResult.lambda$flatMap$10(DataResult.java:138) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[​datafixerupper-4.0.26.jar:?]
at com.mojang.serialization.DataResult.flatMap(DataResult.java:136) ~[​datafixerupper-4.0.26.jar:?]
at wt.a(SourceFile:123) ~[​1.17-pre3.jar:?]
at gx.a(SourceFile:220) ~[​1.17-pre3.jar:?]
at gx.a(SourceFile:212) ~[​1.17-pre3.jar:?]
at wt.a(SourceFile:57) ~[​1.17-pre3.jar:?]
at wt.a(SourceFile:51) ~[​1.17-pre3.jar:?]
at eei.a(SourceFile:319) ~[​1.17-pre3.jar:?]
at eed.a(SourceFile:459) ~[​1.17-pre3.jar:?]
at java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:714) ~[?:?]
... 8 more
[​11:11:17] [​Render thread/INFO]: Stopping!
Posted by Flashbulb's Avatar
Flashbulb
Level 48 : Master Fish
88

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