---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 6/19/18 5:54 PM
Description: Exception in server tick loop

java.lang.IllegalArgumentException: bound must be positive
	at java.util.Random.nextInt(Random.java:388)
	at anv.a(SourceFile:82)
	at aze.b(SourceFile:480)
	at axw.a(SourceFile:803)
	at axw.a(SourceFile:791)
	at on.b(SourceFile:86)
	at on.c(SourceFile:95)
	at net.minecraft.server.MinecraftServer.l(SourceFile:328)
	at chd.a(SourceFile:114)
	at chd.j(SourceFile:130)
	at net.minecraft.server.MinecraftServer.run(SourceFile:434)
	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: 1.12.2
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 109950400 bytes (104 MB) / 218103808 bytes (208 MB) up to 1073741824 bytes (1024 MB)
	JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Profiler Position: N/A (disabled)
	Player Count: 0 / 8; []
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.