[22:45:44] [Render thread/INFO]: Environment: authHost='https://authserver.mojang.com', accountsHost='https://api.mojang.com', sessionHost='https://sessionserver.mojang.com', name='PROD'
[22:45:44] [Render thread/INFO]: Setting user: modmuss50
[22:45:46] [Render thread/ERROR]: Unknown biome, defaulting to plains
[22:45:46] [Render thread/INFO]: Backend library: LWJGL version 3.2.2 build 10
[22:45:49] [Render thread/INFO]: Narrator library for x64 successfully loaded
[22:45:49] [Render thread/INFO]: Reloading ResourceManager: Default
[22:45:51] [Render thread/INFO]: OpenAL initialized.
[22:45:51] [Render thread/INFO]: Sound engine started
[22:45:52] [Render thread/INFO]: Created: 1024x1024x4 minecraft:textures/atlas/blocks.png-atlas
[22:45:52] [Render thread/INFO]: Created: 256x128x4 minecraft:textures/atlas/signs.png-atlas
[22:45:52] [Render thread/INFO]: Created: 1024x512x4 minecraft:textures/atlas/banner_patterns.png-atlas
[22:45:52] [Render thread/INFO]: Created: 1024x512x4 minecraft:textures/atlas/shield_patterns.png-atlas
[22:45:52] [Render thread/INFO]: Created: 256x256x4 minecraft:textures/atlas/chest.png-atlas
[22:45:52] [Render thread/INFO]: Created: 512x256x4 minecraft:textures/atlas/beds.png-atlas
[22:45:52] [Render thread/INFO]: Created: 512x256x4 minecraft:textures/atlas/shulker_boxes.png-atlas
[22:45:52] [Render thread/INFO]: Created: 256x256x0 minecraft:textures/atlas/particles.png-atlas
[22:45:52] [Render thread/INFO]: Created: 256x256x0 minecraft:textures/atlas/paintings.png-atlas
[22:45:52] [Render thread/INFO]: Created: 256x128x0 minecraft:textures/atlas/mob_effects.png-atlas
[22:46:11] [Render thread/INFO]: Environment: authHost='https://authserver.mojang.com', accountsHost='https://api.mojang.com', sessionHost='https://sessionserver.mojang.com', name='PROD'
[22:46:11] [Render thread/WARN]: Ambiguity between arguments [teleport, destination] and [teleport, targets] with inputs: [Player, 0123, @e, dd12be42-52a9-4a91-a8a1-11c01849e498]
[22:46:11] [Render thread/WARN]: Ambiguity between arguments [teleport, location] and [teleport, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[22:46:11] [Render thread/WARN]: Ambiguity between arguments [teleport, location] and [teleport, targets] with inputs: [0.1 -0.5 .9, 0 0 0]
[22:46:11] [Render thread/WARN]: Ambiguity between arguments [teleport, targets] and [teleport, destination] with inputs: [Player, 0123, dd12be42-52a9-4a91-a8a1-11c01849e498]
[22:46:11] [Render thread/WARN]: Ambiguity between arguments [teleport, targets, location] and [teleport, targets, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[22:46:11] [Server thread/INFO]: Starting integrated minecraft server version 20w21a
[22:46:11] [Server thread/INFO]: Generating keypair
[22:46:11] [Server thread/INFO]: Reloading ResourceManager: Default
[22:46:12] [Server thread/INFO]: Loaded 6 recipes
[22:46:12] [Server thread/INFO]: Loaded 918 advancements
[22:46:12] [Server thread/INFO]: Preparing start region for dimension minecraft:overworld
[22:46:13] [Render thread/INFO]: Preparing spawn area: 0%
[22:46:13] [Render thread/INFO]: Preparing spawn area: 0%
[22:46:15] [Render thread/INFO]: Preparing spawn area: 83%
[22:46:15] [Render thread/INFO]: Preparing spawn area: 83%
[22:46:15] [Render thread/INFO]: Preparing spawn area: 83%
[22:46:15] [Render thread/INFO]: Preparing spawn area: 95%
[22:46:15] [Render thread/INFO]: Preparing spawn area: 95%
[22:46:15] [Render thread/INFO]: Time elapsed: 3283 ms
[22:46:16] [Server thread/INFO]: Changing view distance to 11, from 10
[22:46:16] [Server thread/INFO]: modmuss50[local:E:3c6e39b7] logged in with entity id 299 at (-40.95839345921121, 12.683253748255082, 152.92604927427723)
[22:46:16] [Server thread/INFO]: modmuss50 joined the game
[22:46:17] [Server thread/ERROR]: Exception loading structure piece with id minecraft:nvi
java.util.ConcurrentModificationException: null
	at java.util.HashMap.computeIfAbsent(HashMap.java:1226) ~[?:?]
	at cty.b(SourceFile:67) ~[minecraft-20w21a-client.jar:?]
	at cty.a(SourceFile:57) ~[minecraft-20w21a-client.jar:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-3.0.25.jar:?]
	at cpb.a(SourceFile:98) ~[minecraft-20w21a-client.jar:?]
	at cpb.a(SourceFile:131) ~[minecraft-20w21a-client.jar:?]
	at csr.<init>(SourceFile:53) ~[minecraft-20w21a-client.jar:?]
	at clr$a.<init>(SourceFile:39) ~[minecraft-20w21a-client.jar:?]
	at clk.a(SourceFile:137) ~[minecraft-20w21a-client.jar:?]
	at cgv.a(SourceFile:424) ~[minecraft-20w21a-client.jar:?]
	at cgv.a(SourceFile:175) ~[minecraft-20w21a-client.jar:?]
	at yi.l(SourceFile:525) ~[minecraft-20w21a-client.jar:?]
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1764) [?:?]
	at alz.c(SourceFile:144) [minecraft-20w21a-client.jar:?]
	at yu$a.c(SourceFile:541) [minecraft-20w21a-client.jar:?]
	at alz.w(SourceFile:118) [minecraft-20w21a-client.jar:?]
	at yu$a.w(SourceFile:550) [minecraft-20w21a-client.jar:?]
	at alz.c(SourceFile:127) [minecraft-20w21a-client.jar:?]
	at yu.a(SourceFile:141) [minecraft-20w21a-client.jar:?]
	at bpa.a(SourceFile:242) [minecraft-20w21a-client.jar:?]
	at yw.f(SourceFile:815) [minecraft-20w21a-client.jar:?]
	at yw.c(SourceFile:798) [minecraft-20w21a-client.jar:?]
	at abh.a(SourceFile:202) [minecraft-20w21a-client.jar:?]
	at zq.c(SourceFile:111) [minecraft-20w21a-client.jar:?]
	at zq.b(SourceFile:63) [minecraft-20w21a-client.jar:?]
	at me.a(SourceFile:230) [minecraft-20w21a-client.jar:?]
	at zn.c(SourceFile:171) [minecraft-20w21a-client.jar:?]
	at net.minecraft.server.MinecraftServer.b(SourceFile:905) [minecraft-20w21a-client.jar:?]
	at net.minecraft.server.MinecraftServer.a(SourceFile:832) [minecraft-20w21a-client.jar:?]
	at enr.a(SourceFile:89) [minecraft-20w21a-client.jar:?]
	at net.minecraft.server.MinecraftServer.run(SourceFile:691) [minecraft-20w21a-client.jar:?]
	at java.lang.Thread.run(Thread.java:832) [?:?]
[22:46:17] [Server thread/ERROR]: Exception loading structure piece with id minecraft:nvi
java.util.ConcurrentModificationException: null
	at java.util.HashMap.computeIfAbsent(HashMap.java:1226) ~[?:?]
	at cty.b(SourceFile:67) ~[minecraft-20w21a-client.jar:?]
	at cty.a(SourceFile:57) ~[minecraft-20w21a-client.jar:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-3.0.25.jar:?]
	at cpb.a(SourceFile:98) ~[minecraft-20w21a-client.jar:?]
	at cpb.a(SourceFile:131) ~[minecraft-20w21a-client.jar:?]
	at csr.<init>(SourceFile:53) ~[minecraft-20w21a-client.jar:?]
	at clr$a.<init>(SourceFile:39) ~[minecraft-20w21a-client.jar:?]
	at clk.a(SourceFile:137) ~[minecraft-20w21a-client.jar:?]
	at cgv.a(SourceFile:424) ~[minecraft-20w21a-client.jar:?]
	at cgv.a(SourceFile:175) ~[minecraft-20w21a-client.jar:?]
	at yi.l(SourceFile:525) ~[minecraft-20w21a-client.jar:?]
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1764) [?:?]
	at alz.c(SourceFile:144) [minecraft-20w21a-client.jar:?]
	at yu$a.c(SourceFile:541) [minecraft-20w21a-client.jar:?]
	at alz.w(SourceFile:118) [minecraft-20w21a-client.jar:?]
	at yu$a.w(SourceFile:550) [minecraft-20w21a-client.jar:?]
	at alz.c(SourceFile:127) [minecraft-20w21a-client.jar:?]
	at yu.a(SourceFile:141) [minecraft-20w21a-client.jar:?]
	at bpa.a(SourceFile:242) [minecraft-20w21a-client.jar:?]
	at yw.f(SourceFile:815) [minecraft-20w21a-client.jar:?]
	at yw.c(SourceFile:798) [minecraft-20w21a-client.jar:?]
	at abh.a(SourceFile:202) [minecraft-20w21a-client.jar:?]
	at zq.c(SourceFile:111) [minecraft-20w21a-client.jar:?]
	at zq.b(SourceFile:63) [minecraft-20w21a-client.jar:?]
	at me.a(SourceFile:230) [minecraft-20w21a-client.jar:?]
	at zn.c(SourceFile:171) [minecraft-20w21a-client.jar:?]
	at net.minecraft.server.MinecraftServer.b(SourceFile:905) [minecraft-20w21a-client.jar:?]
	at net.minecraft.server.MinecraftServer.a(SourceFile:832) [minecraft-20w21a-client.jar:?]
	at enr.a(SourceFile:89) [minecraft-20w21a-client.jar:?]
	at net.minecraft.server.MinecraftServer.run(SourceFile:691) [minecraft-20w21a-client.jar:?]
	at java.lang.Thread.run(Thread.java:832) [?:?]
[22:46:17] [Server thread/ERROR]: Exception loading structure piece with id minecraft:nvi
java.util.ConcurrentModificationException: null
	at java.util.HashMap.computeIfAbsent(HashMap.java:1226) ~[?:?]
	at cty.b(SourceFile:67) ~[minecraft-20w21a-client.jar:?]
	at cty.a(SourceFile:57) ~[minecraft-20w21a-client.jar:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-3.0.25.jar:?]
	at cpb.a(SourceFile:98) ~[minecraft-20w21a-client.jar:?]
	at cpb.a(SourceFile:131) ~[minecraft-20w21a-client.jar:?]
	at csr.<init>(SourceFile:53) ~[minecraft-20w21a-client.jar:?]
	at clr$a.<init>(SourceFile:39) ~[minecraft-20w21a-client.jar:?]
	at clk.a(SourceFile:137) ~[minecraft-20w21a-client.jar:?]
	at cgv.a(SourceFile:424) ~[minecraft-20w21a-client.jar:?]
	at cgv.a(SourceFile:175) ~[minecraft-20w21a-client.jar:?]
	at yi.l(SourceFile:525) ~[minecraft-20w21a-client.jar:?]
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1764) [?:?]
	at alz.c(SourceFile:144) [minecraft-20w21a-client.jar:?]
	at yu$a.c(SourceFile:541) [minecraft-20w21a-client.jar:?]
	at alz.w(SourceFile:118) [minecraft-20w21a-client.jar:?]
	at yu$a.w(SourceFile:550) [minecraft-20w21a-client.jar:?]
	at alz.c(SourceFile:127) [minecraft-20w21a-client.jar:?]
	at yu.a(SourceFile:141) [minecraft-20w21a-client.jar:?]
	at bpa.a(SourceFile:242) [minecraft-20w21a-client.jar:?]
	at yw.f(SourceFile:815) [minecraft-20w21a-client.jar:?]
	at yw.c(SourceFile:798) [minecraft-20w21a-client.jar:?]
	at abh.a(SourceFile:202) [minecraft-20w21a-client.jar:?]
	at zq.c(SourceFile:111) [minecraft-20w21a-client.jar:?]
	at zq.b(SourceFile:63) [minecraft-20w21a-client.jar:?]
	at me.a(SourceFile:230) [minecraft-20w21a-client.jar:?]
	at zn.c(SourceFile:171) [minecraft-20w21a-client.jar:?]
	at net.minecraft.server.MinecraftServer.b(SourceFile:905) [minecraft-20w21a-client.jar:?]
	at net.minecraft.server.MinecraftServer.a(SourceFile:832) [minecraft-20w21a-client.jar:?]
	at enr.a(SourceFile:89) [minecraft-20w21a-client.jar:?]
	at net.minecraft.server.MinecraftServer.run(SourceFile:691) [minecraft-20w21a-client.jar:?]
	at java.lang.Thread.run(Thread.java:832) [?:?]
[22:46:17] [Server thread/ERROR]: Exception loading structure piece with id minecraft:nvi
java.util.ConcurrentModificationException: null
	at java.util.HashMap.computeIfAbsent(HashMap.java:1226) ~[?:?]
	at cty.b(SourceFile:67) ~[minecraft-20w21a-client.jar:?]
	at cty.a(SourceFile:57) ~[minecraft-20w21a-client.jar:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-3.0.25.jar:?]
	at cpb.a(SourceFile:98) ~[minecraft-20w21a-client.jar:?]
	at cpb.a(SourceFile:131) ~[minecraft-20w21a-client.jar:?]
	at csr.<init>(SourceFile:53) ~[minecraft-20w21a-client.jar:?]
	at clr$a.<init>(SourceFile:39) ~[minecraft-20w21a-client.jar:?]
	at clk.a(SourceFile:137) ~[minecraft-20w21a-client.jar:?]
	at cgv.a(SourceFile:424) ~[minecraft-20w21a-client.jar:?]
	at cgv.a(SourceFile:175) ~[minecraft-20w21a-client.jar:?]
	at yi.l(SourceFile:525) ~[minecraft-20w21a-client.jar:?]
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1764) [?:?]
	at alz.c(SourceFile:144) [minecraft-20w21a-client.jar:?]
	at yu$a.c(SourceFile:541) [minecraft-20w21a-client.jar:?]
	at alz.w(SourceFile:118) [minecraft-20w21a-client.jar:?]
	at yu$a.w(SourceFile:550) [minecraft-20w21a-client.jar:?]
	at alz.c(SourceFile:127) [minecraft-20w21a-client.jar:?]
	at yu.a(SourceFile:141) [minecraft-20w21a-client.jar:?]
	at bpa.a(SourceFile:242) [minecraft-20w21a-client.jar:?]
	at yw.f(SourceFile:815) [minecraft-20w21a-client.jar:?]
	at yw.c(SourceFile:798) [minecraft-20w21a-client.jar:?]
	at abh.a(SourceFile:202) [minecraft-20w21a-client.jar:?]
	at zq.c(SourceFile:111) [minecraft-20w21a-client.jar:?]
	at zq.b(SourceFile:63) [minecraft-20w21a-client.jar:?]
	at me.a(SourceFile:230) [minecraft-20w21a-client.jar:?]
	at zn.c(SourceFile:171) [minecraft-20w21a-client.jar:?]
	at net.minecraft.server.MinecraftServer.b(SourceFile:905) [minecraft-20w21a-client.jar:?]
	at net.minecraft.server.MinecraftServer.a(SourceFile:832) [minecraft-20w21a-client.jar:?]
	at enr.a(SourceFile:89) [minecraft-20w21a-client.jar:?]
	at net.minecraft.server.MinecraftServer.run(SourceFile:691) [minecraft-20w21a-client.jar:?]
	at java.lang.Thread.run(Thread.java:832) [?:?]
[22:46:24] [Server thread/WARN]: Can't keep up! Is the server overloaded? Running 7550ms or 151 ticks behind
[22:46:24] [Render thread/INFO]: Loaded 0 advancements