Description: Exception while ticking
java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
at java.util.HashMap$KeyIterator.next(HashMap.java:1453)
at yw.a(SourceFile:983)
at bpa.a(SourceFile:281)
at bpa.a(SourceFile:351)
at bwr.d(SourceFile:105)
at bxe.a(SourceFile:49)
at cei$a.a(SourceFile:856)
at yw.b(SourceFile:609)
at yw$$Lambda$3827/659711812.accept(Unknown Source)
at bpn.b(SourceFile:84)
at yw.a(SourceFile:351)
at net.minecraft.server.MinecraftServer.b(SourceFile:893)
at net.minecraft.server.MinecraftServer.a(SourceFile:832)
at enr.a(SourceFile:89)
at net.minecraft.server.MinecraftServer.run(SourceFile:691)
at java.lang.Thread.run(Thread.java:745)