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Bug
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Resolution: Fixed
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1.16.1, 20w27a, 20w28a, 20w30a, 1.16.2 Pre-release 1, 1.16.2 Pre-release 2, 1.16.2 Release Candidate 1, 1.16.2 Release Candidate 2, 1.16.2, 1.16.3 Release Candidate 1, 1.16.3, 20w46a, 20w49a, 1.16.5, 21w19a
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None
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Confirmed
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Networking, Performance, Textures and models
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Important
Give yourself a head with SkullOwner being the f word (Or any invalid name it seems) then place it on the ground this will make the game stutter this also will happen when putting this head and others on entities.
This may relate to MC-159202
Error executing task on Server
java.util.ConcurrentModificationException at java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:966) at java.util.LinkedList$ListItr.next(LinkedList.java:888) at com.google.common.collect.Iterators$8.next(Iterators.java:896) at com.google.common.collect.Iterators.addAll(Iterators.java:367) at com.google.common.collect.Lists.newArrayList(Lists.java:165) at abl.a(SourceFile:214) at abl.c(SourceFile:198) at abl.a(SourceFile:146) at cei.b(SourceFile:130) at cei.f(SourceFile:113) at cei.a(SourceFile:109) at bzw.a(SourceFile:43) at bim.a(SourceFile:81) at bim.a(SourceFile:41) at bki.a(SourceFile:213) at zf.a(SourceFile:345) at zv.a(SourceFile:976) at sq.a(SourceFile:36) at sq.a(SourceFile:10) at nk.a(SourceFile:21) at uy.run(SourceFile:18) at amn.c(SourceFile:144) at amr.c(SourceFile:23) at net.minecraft.server.MinecraftServer.b(SourceFile:763) at net.minecraft.server.MinecraftServer.c(SourceFile:154) at amn.x(SourceFile:118) at net.minecraft.server.MinecraftServer.aZ(SourceFile:745) at net.minecraft.server.MinecraftServer.x(SourceFile:739) at amn.c(SourceFile:127) at net.minecraft.server.MinecraftServer.w(SourceFile:724) at net.minecraft.server.MinecraftServer.v(SourceFile:676) at net.minecraft.server.MinecraftServer.a(SourceFile:256) at java.lang.Thread.run(Thread.java:745)
Error executing task on Client
java.lang.NullPointerException at java.util.LinkedList$ListItr.next(LinkedList.java:893) at com.google.common.collect.Iterators$8.next(Iterators.java:896) at com.google.common.collect.Iterators.addAll(Iterators.java:367) at com.google.common.collect.Lists.newArrayList(Lists.java:165) at abl.a(SourceFile:214) at abl.c(SourceFile:198) at abl.a(SourceFile:146) at cei.b(SourceFile:130) at cei.f(SourceFile:113) at cei.a(SourceFile:109) at cei.a(SourceFile:62) at dyn.a(SourceFile:1248) at nv.a(SourceFile:55) at nv.a(SourceFile:11) at nk.a(SourceFile:21) at amn.c(SourceFile:144) at amr.c(SourceFile:23) at amn.x(SourceFile:118) at amn.bj(SourceFile:103) at dlx.e(SourceFile:988) at dlx.e(SourceFile:654) at net.minecraft.client.main.Main.main(SourceFile:215)
