generate the end will crash game

THE ERROR 

(please fix it before 1.13 released)

thank for read this comment and I hope for answer    you are: !

---- Minecraft Crash Report ----

// This is a token for 1 free hug. Redeem at your nearest Mojangsta: _HUG~

Time: 7/17/18 12:21 PM

Description: Exception ticking world

 

java.lang.IllegalArgumentException: bound must be positive

at java.util.Random.nextInt(Random.java:388) at axz.a(SourceFile:196)

at axz.a(SourceFile:98)

at tc.i_(SourceFile:196)

at net.minecraft.server.MinecraftServer.w(SourceFile:690)

at net.minecraft.server.MinecraftServer.v(SourceFile:623)

at dft.v(SourceFile:157)

at net.minecraft.server.MinecraftServer.run(SourceFile:526)

at java.lang.Thread.run(Thread.java:745)