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MC-147026

A Crash When Changing From Normal To Profession Type

I Put Lectern in A Normal Villager It Changed Profession To Librarian Ive Open The Creative Inventory it Crashed

Can You Fix This Bug Please

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[Bot] Arisa

Please attach the crash report ([minecraft|http://hopper.minecraft.net/help/finding-minecraft-data-folder]/crash-reports/crash-<DATE>-client.txt), otherwise we can not diagnose this issue.
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wobst.michael

Incomplete without a crash report from (minecraft/crash-reports/crash-<DATE>-client.txt). Please attach it to this ticket so that we can diagnose your issue.

GuestUser9600

Minecraft Crash Report -------- Minecraft Crash Report ----// I'm sorry, Dave.
Time: 29/03/19 10:36 PM…Description: Ticking entity
java.util.NoSuchElementException: No value present at java.util.Optional.get(Unknown Source) at alj.c(SourceFile:72) at alj.g(SourceFile:22) at ajq.c(SourceFile:45) at java.util.stream.MatchOps$1MatchSink.accept(Unknown Source) at java.util.stream.ReferencePipeline$2$1.accept(Unknown Source) at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source) at java.util.ArrayList$ArrayListSpliterator.tryAdvance(Unknown Source) at java.util.stream.ReferencePipeline.forEachWithCancel(Unknown Source) at java.util.stream.AbstractPipeline.copyIntoWithCancel(Unknown Source) at java.util.stream.AbstractPipeline.copyInto(Unknown Source) at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source) at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source) at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source) at java.util.stream.AbstractPipeline.evaluate(Unknown Source) at java.util.stream.ReferencePipeline.anyMatch(Unknown Source) at ajq.g(SourceFile:45) at ajj.c(SourceFile:61) at aix.a(SourceFile:285) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(Unknown Source) at java.util.stream.ReferencePipeline$2$1.accept(Unknown Source) at java.util.Iterator.forEachRemaining(Unknown Source) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Unknown Source) at java.util.stream.ReferencePipeline$Head.forEach(Unknown Source) at java.util.stream.ReferencePipeline$7$1.accept(Unknown Source) at java.util.HashMap$ValueSpliterator.forEachRemaining(Unknown Source) at java.util.stream.ReferencePipeline$Head.forEach(Unknown Source) at java.util.stream.ReferencePipeline$7$1.accept(Unknown Source) at java.util.TreeMap$ValueSpliterator.forEachRemaining(Unknown Source) at java.util.stream.AbstractPipeline.copyInto(Unknown Source) at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(Unknown Source) at java.util.stream.AbstractPipeline.evaluate(Unknown Source) at java.util.stream.ReferencePipeline.forEach(Unknown Source) at aix.e(SourceFile:285) at aix.a(SourceFile:233) at auz.K(SourceFile:254) at aij.cX(SourceFile:623) at aii.k(SourceFile:2206) at aij.k(SourceFile:479) at ahx.k(SourceFile:141) at aii.h(SourceFile:2051) at aij.h(SourceFile:293) at ve.a(SourceFile:581) at bgv.a(SourceFile:669) at ve.a(SourceFile:384) at net.minecraft.server.MinecraftServer.b(SourceFile:816) at net.minecraft.server.MinecraftServer.a(SourceFile:755) at dwo.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:630) at java.lang.Thread.run(Unknown Source)

A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
– Head --Thread: Server threadStacktrace: at java.util.Optional.get(Unknown Source) at alj.c(SourceFile:72) at alj.g(SourceFile:22) at ajq.c(SourceFile:45) at java.util.stream.MatchOps$1MatchSink.accept(Unknown Source) at java.util.stream.ReferencePipeline$2$1.accept(Unknown Source) at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source) at java.util.ArrayList$ArrayListSpliterator.tryAdvance(Unknown Source) at java.util.stream.ReferencePipeline.forEachWithCancel(Unknown Source) at java.util.stream.AbstractPipeline.copyIntoWithCancel(Unknown Source) at java.util.stream.AbstractPipeline.copyInto(Unknown Source) at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source) at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source) at java.util.stream.MatchOps$MatchOp.evaluateSequential(Unknown Source) at java.util.stream.AbstractPipeline.evaluate(Unknown Source) at java.util.stream.ReferencePipeline.anyMatch(Unknown Source) at ajq.g(SourceFile:45) at ajj.c(SourceFile:61) at aix.a(SourceFile:285) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(Unknown Source) at java.util.stream.ReferencePipeline$2$1.accept(Unknown Source) at java.util.Iterator.forEachRemaining(Unknown Source) at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Unknown Source) at java.util.stream.ReferencePipeline$Head.forEach(Unknown Source) at java.util.stream.ReferencePipeline$7$1.accept(Unknown Source) at java.util.HashMap$ValueSpliterator.forEachRemaining(Unknown Source) at java.util.stream.ReferencePipeline$Head.forEach(Unknown Source) at java.util.stream.ReferencePipeline$7$1.accept(Unknown Source) at java.util.TreeMap$ValueSpliterator.forEachRemaining(Unknown Source) at java.util.stream.AbstractPipeline.copyInto(Unknown Source) at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(Unknown Source) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(Unknown Source) at java.util.stream.AbstractPipeline.evaluate(Unknown Source) at java.util.stream.ReferencePipeline.forEach(Unknown Source) at aix.e(SourceFile:285) at aix.a(SourceFile:233) at auz.K(SourceFile:254) at aij.cX(SourceFile:623) at aii.k(SourceFile:2206) at aij.k(SourceFile:479) at ahx.k(SourceFile:141) at aii.h(SourceFile:2051) at aij.h(SourceFile:293) at ve.a(SourceFile:581)
– Entity being ticked --Details: Entity Type: minecraft:villager (auz) Entity ID: 7239 Entity Name: Villager Entity's Exact location: 58.24, 64.00, -251.58 Entity's Block location: World: (58,64,-252), Chunk: (at 10,4,4 in 3,-16; contains blocks 48,0,-256 to 63,255,-241), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1) Entity's Momentum: 0.00, -0.08, 0.00 Entity's Passengers: [] Entity's Vehicle: ~ERROR~ NullPointerException: nullStacktrace: at bgv.a(SourceFile:669) at ve.a(SourceFile:384)
– Affected level --Details: Level name: 1.14 All players: 1 total; [vf['TheRealMizoPlayz'/379, l='1.14', x=61.34, y=64.00, z=-251.40]] Chunk stats: ServerChunkCache: 2295 Level seed: 6258791543249846481 Level generator: ID 00 - default, ver 1. Features enabled: true Level generator options: {} Level spawn location: World: (144,63,-256), Chunk: (at 0,3,0 in 9,-16; contains blocks 144,0,-256 to 159,255,-241), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1) Level time: 5642 game time, 5642 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 33554 (now: false), thunder time: 95823 (now: false) Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: trueStacktrace: at net.minecraft.server.MinecraftServer.b(SourceFile:816) at net.minecraft.server.MinecraftServer.a(SourceFile:755) at dwo.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:630) at java.lang.Thread.run(Unknown Source)
– System Details --Details: Minecraft Version: 19w13b Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_172, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 820995376 bytes (782 MB) / 2667577344 bytes (2544 MB) up to 4294967296 bytes (4096 MB) JVM Flags: 8 total; -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump Player Count: 1 / 8; [vf['TheRealMizoPlayz'/379, l='1.14', x=61.34, y=64.00, z=-251.40]] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.

GuestUser9600

(Unassigned)

Unconfirmed

Minecraft 19w13b, Minecraft 19w14a, Minecraft 19w14b, Minecraft 1.14 Pre-Release 1

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