---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 7/4/18 10:55 PM
Description: Exception while ticking

java.lang.ClassCastException: bio cannot be cast to bir
	at bdd.a(SourceFile:77)
	at bdd.a(SourceFile:113)
	at bkd.a(SourceFile:261)
	at sz.b(SourceFile:568)
	at axs.a(SourceFile:78)
	at sz.p(SourceFile:554)
	at sz.i_(SourceFile:213)
	at net.minecraft.server.MinecraftServer.w(SourceFile:690)
	at sk.w(SourceFile:357)
	at net.minecraft.server.MinecraftServer.v(SourceFile:623)
	at net.minecraft.server.MinecraftServer.run(SourceFile:525)
	at java.lang.Thread.run(Thread.java:748)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Server thread
Stacktrace:
	at bdd.a(SourceFile:77)
	at bdd.a(SourceFile:113)
	at bkd.a(SourceFile:261)
	at sz.b(SourceFile:568)

-- Block being ticked --
Details:
	Block location: World: (71,77,-39), Chunk: (at 7,4,9 in 4,-3; contains blocks 64,0,-48 to 79,255,-33), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Stacktrace:
	at axs.a(SourceFile:78)
	at sz.p(SourceFile:554)
	at sz.i_(SourceFile:213)

-- Affected level --
Details:
	Level name: world
	All players: 1 total; [tb['xars456'/277, l='world', x=73.13, y=77.00, z=-39.38]]
	Chunk stats: ServerChunkCache: 480 Drop: 0
	Level seed: 1621881692942831013
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (0,63,0), Chunk: (at 0,3,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 180053678 game time, 6959559 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 8984 (now: true), thunder time: 2247 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.w(SourceFile:690)
	at sk.w(SourceFile:357)
	at net.minecraft.server.MinecraftServer.v(SourceFile:623)
	at net.minecraft.server.MinecraftServer.run(SourceFile:525)
	at java.lang.Thread.run(Thread.java:748)

-- System Details --
Details:
	Minecraft Version: 1.13-pre6
	Operating System: Linux (amd64) version 3.10.0-693.11.1.el7.x86_64
	Java Version: 1.8.0_151, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 231976072 bytes (221 MB) / 519110656 bytes (495 MB) up to 2075918336 bytes (1979 MB)
	JVM Flags: 2 total; -Xmx2048M -Xms512M
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [tb['xars456'/277, l='world', x=73.13, y=77.00, z=-39.38]]
	Data Packs: vanilla
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)