---- Minecraft Crash Report ----
// Would you like a cupcake?

Time: 7/4/18 4:06 PM
Description: Exception in server tick loop

i: Non [a-z0-9/._-] character in path of location: minecraft:fire_charge{Enchantments:[{id:"minecraft:sharpness",lvl:1}]}
	at ox.<init>(SourceFile:38)
	at ox.<init>(SourceFile:43)
	at auu.a(SourceFile:237)
	at auv$a.b(SourceFile:98)
	at auv$a.a(SourceFile:87)
	at aus.a(SourceFile:49)
	at auq.a(SourceFile:52)
	at vb.c(SourceFile:123)
	at vb.a(SourceFile:106)
	at net.minecraft.server.MinecraftServer.a(SourceFile:1361)
	at net.minecraft.server.MinecraftServer.a(SourceFile:355)
	at dej.a(SourceFile:82)
	at dej.d(SourceFile:132)
	at net.minecraft.server.MinecraftServer.run(SourceFile:505)
	at java.lang.Thread.run(Thread.java:745)


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

-- System Details --
Details:
	Minecraft Version: 1.13-pre5
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_91, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 334648744 bytes (319 MB) / 674562048 bytes (643 MB) up to 2134114304 bytes (2035 MB)
	JVM Flags: 6 total; -Xmx2G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
	Profiler Position: N/A (disabled)
	Player Count: 0 / 8; []
	Data Packs: vanilla, file/survivalserver (incompatible)
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.