Description: Ticking entity
java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442) at java.util.HashMap$KeyIterator.next(HashMap.java:1466) at java.lang.Iterable.forEach(Iterable.java:74) at net.minecraft.server.v1_14_R1.ChunkMapDistance.a(SourceFile:132) at net.minecraft.server.v1_14_R1.ChunkProviderServer.tickDistanceManager(ChunkProviderServer.java:204) at net.minecraft.server.v1_14_R1.ChunkProviderServer.getChunkFutureMainThread(ChunkProviderServer.java:144) at net.minecraft.server.v1_14_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:91) at net.minecraft.server.v1_14_R1.World.getChunkAt(World.java:212) at net.minecraft.server.v1_14_R1.IWorldReader.getChunkAt(SourceFile:105) at net.minecraft.server.v1_14_R1.World.getChunkAt(World.java:207) at net.minecraft.server.v1_14_R1.World.getType(World.java:548) at net.minecraft.server.v1_14_R1.PlayerInteractManager.a(PlayerInteractManager.java:88) at net.minecraft.server.v1_14_R1.EntityPlayer.tick(EntityPlayer.java:346) at net.minecraft.server.v1_14_R1.WorldServer.entityJoinedWorld(WorldServer.java:570) at net.minecraft.server.v1_14_R1.World.a(World.java:745) at net.minecraft.server.v1_14_R1.WorldServer.doTick(WorldServer.java:346) at net.minecraft.server.v1_14_R1.MinecraftServer.b(MinecraftServer.java:1057) at net.minecraft.server.v1_14_R1.DedicatedServer.b(DedicatedServer.java:396) at net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:956) at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:801) at java.lang.Thread.run(Thread.java:748)
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Kaniesha.. did you ever find a resolution to this problem? Â I'm seeing it as well. Â What plugins do you have?
We have a good handful of plugins. MCMMO, Jobs Reborn, CMI, LuckPerms, Core Protect, etc to name a few. The ticking entity crash stopped happening after the owner of the server switched us to paper from normal spigot.
Thank you for your report!
However, this issue is Invalid.
Your game, launcher or server is modified.
If you can reproduce the issue in a vanilla environment, please recreate the issue.
Any non-standard client/server/launcher build needs to be taken up with the appropriate team, not Mojang.
Any plugin issues need to be addressed to the creator of the plugin or resource pack.
If you have problems on large servers, such as The Hive and Hypixel, please contact them first as they run modified server software.
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