Bart Frenay

I can confirm that it will break your chuck(s).

Had 50% of a house deleted because of it, it complained about a POI being allready registered on 1727,79,-913 , which is an airblock just above my house ...

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[22:49:00] [Server thread/INFO]: Preparing start region for dimension minecraft:overworld
[22:49:04] [Server thread/ERROR]: Couldn't load chunk
java.lang.IllegalStateException: POI data mismatch: already registered at ev{x=1727, y=79, z=-913}
at aqc.a(SourceFile:72) ~[server.jar:?]
at aqc.a(SourceFile:43) ~[server.jar:?]
at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) ~[?:1.8.0_201]
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) ~[?:1.8.0_201]
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) ~[?:1.8.0_201]
at java.util.Iterator.forEachRemaining(Iterator.java:116) ~[?:1.8.0_201]
at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:1.8.0_201]
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[?:1.8.0_201]
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[?:1.8.0_201]
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) ~[?:1.8.0_201]
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) ~[?:1.8.0_201]
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:1.8.0_201]
at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) ~[?:1.8.0_201]
at aqc.<init>(SourceFile:43) ~[server.jar:?]
at bxt.a(SourceFile:123) ~[server.jar:?]
at java.util.Optional.map(Optional.java:215) ~[?:1.8.0_201]
at bxt.a(SourceFile:122) ~[server.jar:?]
at bxt.a(SourceFile:102) ~[server.jar:?]
at bxt.d(SourceFile:76) ~[server.jar:?]
at aqa.a(SourceFile:165) ~[server.jar:?]
at bxo.a(SourceFile:113) ~[server.jar:?]
at us.f(SourceFile:416) ~[server.jar:?]
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590) [?:1.8.0_201]
at agf.h(SourceFile:135) [server.jar:?]
at agf.p(SourceFile:114) [server.jar:?]
at vd$a.p(SourceFile:438) [server.jar:?]
at vd.d(SourceFile:194) [server.jar:?]
at net.minecraft.server.MinecraftServer.p(SourceFile:698) [server.jar:?]
at agf.bf(SourceFile:99) [server.jar:?]
at net.minecraft.server.MinecraftServer.o(SourceFile:676) [server.jar:?]
at net.minecraft.server.MinecraftServer.a(SourceFile:467) [server.jar:?]
at net.minecraft.server.MinecraftServer.a(SourceFile:370) [server.jar:?]
at ug.d(SourceFile:218) [server.jar:?]
at net.minecraft.server.MinecraftServer.run(SourceFile:602) [server.jar:?]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_201]

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