---- Minecraft Crash Report ----
// There are four lights!

Time: 7/29/18 10:27 PM
Description: Ticking memory connection

java.lang.IllegalArgumentException: bound must be positive
	at java.util.Random.nextInt(Random.java:388)
	at te.a(SourceFile:181)
	at te.<init>(SourceFile:163)
	at vo.g(SourceFile:442)
	at ud.b(SourceFile:113)
	at ud.Y_(SourceFile:65)
	at hw.a(SourceFile:238)
	at ua.c(SourceFile:171)
	at net.minecraft.server.MinecraftServer.w(SourceFile:749)
	at net.minecraft.server.MinecraftServer.v(SourceFile:656)
	at dfx.v(SourceFile:157)
	at net.minecraft.server.MinecraftServer.run(SourceFile:559)
	at java.lang.Thread.run(Thread.java:745)


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

-- Head --
Thread: Server thread
Stacktrace:
	at java.util.Random.nextInt(Random.java:388)
	at te.a(SourceFile:181)
	at te.<init>(SourceFile:163)
	at vo.g(SourceFile:442)
	at ud.b(SourceFile:113)
	at ud.Y_(SourceFile:65)
	at hw.a(SourceFile:238)

-- Ticking connection --
Details:
	Connection: hw@4883314
Stacktrace:
	at ua.c(SourceFile:171)
	at net.minecraft.server.MinecraftServer.w(SourceFile:749)
	at net.minecraft.server.MinecraftServer.v(SourceFile:656)
	at dfx.v(SourceFile:157)
	at net.minecraft.server.MinecraftServer.run(SourceFile:559)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 1.13
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 8020708688 bytes (7649 MB) / 8589934592 bytes (8192 MB) up to 12884901888 bytes (12288 MB)
	JVM Flags: 13 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmn8G -Xms8G -Xmx12G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M -XX:ParallelGCThreads=8 -XX:+AggressiveOpts
	Profiler Position: N/A (disabled)
	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.