---- Minecraft Crash Report ----
// Shall we play a game?

Time: 7/2/19, 12:05 PM
Description: Server dump

java.lang.Exception: dummy
	at net.minecraft.server.MinecraftServer.b(SourceFile:1616)
	at net.minecraft.server.MinecraftServer.a(SourceFile:1612)
	at rv.c(SourceFile:92)
	at rv.a(SourceFile:45)
	at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:262)
	at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:176)
	at ce.a(SourceFile:225)
	at ui.aW(SourceFile:376)
	at ui.b(SourceFile:344)
	at net.minecraft.server.MinecraftServer.a(SourceFile:768)
	at net.minecraft.server.MinecraftServer.run(SourceFile:636)
	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: 1.14.4 Pre-Release 2
	Operating System: Linux (amd64) version 4.9.0-9-amd64
	Java Version: 11.0.2, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 4757375592 bytes (4536 MB) / 5658116096 bytes (5396 MB) up to 16852713472 bytes (16072 MB)
	CPUs: 12
	JVM Flags: 0 total; 
	Player Count: 0 / 20; []
	Data Packs: vanilla
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)