---- Minecraft Crash Report ----
// Don't do that.

Time: 29/4/20, 8:40 μ.μ.
Description: Server dump

java.lang.Exception: dummy
	at net.minecraft.server.MinecraftServer.c(SourceFile:1694)
	at net.minecraft.server.MinecraftServer.a(SourceFile:1679)
	at vc.c(SourceFile:89)
	at vc.a(SourceFile:44)
	at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:262)
	at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:176)
	at cx.a(SourceFile:242)
	at zl.c(SourceFile:1120)
	at zl.a(SourceFile:1107)
	at rb.a(SourceFile:36)
	at rb.a(SourceFile:9)
	at nh.a(SourceFile:21)
	at uo.run(SourceFile:18)
	at alu.c(SourceFile:144)
	at aly.c(SourceFile:23)
	at net.minecraft.server.MinecraftServer.b(SourceFile:789)
	at net.minecraft.server.MinecraftServer.c(SourceFile:159)
	at alu.w(SourceFile:118)
	at net.minecraft.server.MinecraftServer.bc(SourceFile:771)
	at net.minecraft.server.MinecraftServer.w(SourceFile:765)
	at alu.c(SourceFile:127)
	at net.minecraft.server.MinecraftServer.v(SourceFile:750)
	at net.minecraft.server.MinecraftServer.run(SourceFile:702)
	at java.base/java.lang.Thread.run(Thread.java:834)


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

-- System Details --
Details:
	Minecraft Version: 20w18a
	Minecraft Version ID: 20w18a
	Operating System: Linux (amd64) version 5.4.0-26-generic
	Java Version: 11.0.7, Ubuntu
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Ubuntu
	Memory: 666442720 bytes (635 MB) / 1543503872 bytes (1472 MB) up to 2147483648 bytes (2048 MB)
	CPUs: 12
	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; [yu['Kostas_GR'/6967, l='ServerLevel[New World]', x=2335.69, y=97.00, z=-459.34]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.