---- Minecraft Crash Report ----
// But it works on my machine.

Time: 29/03/19 10:07
Description: Exception in server tick loop

n: Non [a-z0-9/._-] character in path of location: minecraft:cye$a$a@3b1895e
	at qr.<init>(SourceFile:38)
	at qr.<init>(SourceFile:43)
	at bxs.m(SourceFile:100)
	at ve.a(SourceFile:164)
	at bgv.<init>(SourceFile:129)
	at ve.<init>(SourceFile:164)
	at net.minecraft.server.MinecraftServer.a(SourceFile:378)
	at dwo.a(SourceFile:82)
	at dwo.d(SourceFile:104)
	at net.minecraft.server.MinecraftServer.run(SourceFile:603)
	at java.lang.Thread.run(Thread.java:748)


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

-- System Details --
Details:
	Minecraft Version: 19w13a
	Operating System: Linux (amd64) version 4.15.0-46-generic
	Java Version: 1.8.0_191, Oracle Corporation
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1187624152 bytes (1132 MB) / 1912602624 bytes (1824 MB) up to 2147483648 bytes (2048 MB)
	JVM Flags: 8 total; -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Player Count: 0 / 8; []
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.