---- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 3/1/18 3:49 PM
Description: Exception ticking world

i: Non [a-z0-9/._-] character in path of location: minecraft:CaveSpider
	at nz.<init>(SourceFile:36)
	at nz.<init>(SourceFile:41)
	at atl.g(SourceFile:42)
	at atl.b(SourceFile:185)
	at bfh.a(SourceFile:86)
	at bfh.ac_(SourceFile:104)
	at jr.<init>(SourceFile:53)
	at sf.b(SourceFile:105)
	at sg.c(SourceFile:161)
	at rz.k_(SourceFile:219)
	at net.minecraft.server.MinecraftServer.w(SourceFile:694)
	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
	at cxk.v(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
	at java.lang.Thread.run(Thread.java:745)


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

-- Head --
Thread: Server thread
Stacktrace:
	at nz.<init>(SourceFile:36)
	at nz.<init>(SourceFile:41)
	at atl.g(SourceFile:42)
	at atl.b(SourceFile:185)
	at bfh.a(SourceFile:86)
	at bfh.ac_(SourceFile:104)
	at jr.<init>(SourceFile:53)
	at sf.b(SourceFile:105)
	at sg.c(SourceFile:161)
	at rz.k_(SourceFile:219)

-- Affected level --
Details:
	Level name: Jelkin Ultimate Survival 18w09a
	All players: 1 total; [sb['TheTamedWolf'/508, l='Jelkin Ultimate Survival 18w09a', x=-648.87, y=62.07, z=-141.30]]
	Chunk stats: ServerChunkCache: 598 Drop: 0
	Level seed: -8362653730949692996
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (-56,64,256), Chunk: (at 8,4,0 in -4,16; contains blocks -64,0,256 to -49,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 15389161 game time, 17650868 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 10163 (now: false), thunder time: 166341 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.w(SourceFile:694)
	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
	at cxk.v(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 18w09a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 254608792 bytes (242 MB) / 671088640 bytes (640 MB) up to 1073741824 bytes (1024 MB)
	JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [sb['TheTamedWolf'/508, l='Jelkin Ultimate Survival 18w09a', x=-648.87, y=62.07, z=-141.30]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.