---- Minecraft Crash Report ----
// Sorry :(

Time: 4/18/20 3:12 PM
Description: Exception ticking world

java.lang.IllegalStateException: Tag minecraft:rails used before it was bound
	at ach$a.c(SourceFile:53)
	at ach$a.a(SourceFile:64)
	at bue.a(SourceFile:134)
	at cdx$a.a(SourceFile:919)
	at bor.a(SourceFile:254)
	at bor.a(SourceFile:286)
	at bor.a(SourceFile:176)
	at bor.a(SourceFile:114)
	at bor.a(SourceFile:52)
	at yk.a(SourceFile:405)
	at it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap$1.forEach(Long2ObjectLinkedOpenHashMap.java:1661)
	at com.google.common.collect.Iterables$UnmodifiableIterable.forEach(Iterables.java:105)
	at yk.o(SourceFile:370)
	at yk.a(SourceFile:340)
	at ym.a(SourceFile:333)
	at net.minecraft.server.MinecraftServer.b(SourceFile:852)
	at net.minecraft.server.MinecraftServer.a(SourceFile:791)
	at emt.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:650)
	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 ach$a.c(SourceFile:53)
	at ach$a.a(SourceFile:64)
	at bue.a(SourceFile:134)
	at cdx$a.a(SourceFile:919)
	at bor.a(SourceFile:254)
	at bor.a(SourceFile:286)
	at bor.a(SourceFile:176)
	at bor.a(SourceFile:114)
	at bor.a(SourceFile:52)
	at yk.a(SourceFile:405)
	at it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap$1.forEach(Long2ObjectLinkedOpenHashMap.java:1661)
	at com.google.common.collect.Iterables$UnmodifiableIterable.forEach(Iterables.java:105)
	at yk.o(SourceFile:370)
	at yk.a(SourceFile:340)
	at ym.a(SourceFile:333)

-- Affected level --
Details:
	All players: 1 total; [yn['pfg_'/51, l='DatapackTesting', x=218.50, y=4.00, z=-57.50]]
	Chunk stats: ServerChunkCache: 2209
	Level dimension: minecraft:overworld
	Level name: DatapackTesting
	Level seed: -6396498018393620982
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: NBT[{}]
	Level spawn location: World: (224,4,-48), Chunk: (at 0,0,0 in 14,-3; contains blocks 224,0,-48 to 239,255,-33), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Level time: 88 game time, 88 day time
	Known server brands: vanilla
	Level was modded: false
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 24018 (now: false), thunder time: 55552 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:852)
	at net.minecraft.server.MinecraftServer.a(SourceFile:791)
	at emt.a(SourceFile:128)
	at net.minecraft.server.MinecraftServer.run(SourceFile:650)
	at java.lang.Thread.run(Thread.java:748)

-- System Details --
Details:
	Minecraft Version: 20w16a
	Minecraft Version ID: 20w16a
	Operating System: Linux (amd64) version 5.6.4-arch1-1
	Java Version: 1.8.0_242, Oracle Corporation
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 598483048 bytes (570 MB) / 905969664 bytes (864 MB) up to 2147483648 bytes (2048 MB)
	CPUs: 4
	JVM Flags: 8 total; -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Player Count: 1 / 8; [yn['pfg_'/51, l='DatapackTesting', x=218.50, y=4.00, z=-57.50]]
	Data Packs: 
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.