java.lang.IllegalArgumentException

There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

  • GitHub comment 14#244552298
    via GitHub by ktole1999
    ,
  • Error on help command
    via GitHub by Silwing
    ,
  • Error when running help command
    via GitHub by Baughn
    ,
  • /help command problem
    via GitHub by Osfognarg
    ,
  • Problem - Problem with OP | Feed the Beast
    via by Unknown author,
  • /help command error
    via GitHub by ravendm5
    ,
  • GitHub comment 1025#234756084
    via GitHub by pures
    ,
    • java.lang.IllegalArgumentException: Comparison method violates its general contract! at java.util.ComparableTimSort.mergeLo(Unknown Source)[?:1.8.0_101] at java.util.ComparableTimSort.mergeAt(Unknown Source)[?:1.8.0_101] at java.util.ComparableTimSort.mergeForceCollapse(Unknown Source)[?:1.8.0_101] at java.util.ComparableTimSort.sort(Unknown Source)[?:1.8.0_101] at java.util.Arrays.sort(Unknown Source)[?:1.8.0_101] at java.util.Arrays.sort(Unknown Source)[?:1.8.0_101] at java.util.ArrayList.sort(Unknown Source)[?:1.8.0_101] at java.util.Collections.sort(Unknown Source)[?:1.8.0_101] at net.minecraft.command.CommandHelp.func_184900_a(SourceFile:118)[al.class:?] at net.minecraft.command.CommandHelp.func_184881_a(SourceFile:73)[al.class:?] at net.minecraft.command.CommandHandler.func_175786_a(CommandHandler.java:104)[k.class:?] at net.minecraft.command.CommandHandler.func_71556_a(CommandHandler.java:83)[k.class:?] at net.minecraft.server.dedicated.DedicatedServer.func_71333_ah(DedicatedServer.java:423)[ld.class:?] at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:388)[ld.class:?] at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:613)[MinecraftServer.class:?] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471)[MinecraftServer.class:?] at java.lang.Thread.run(Unknown Source)[?:1.8.0_101]

    Users with the same issue

    Unknown visitor1 times, last one,
    Unknown visitor1 times, last one,
    Unknown visitor1 times, last one,
    Unknown visitor1 times, last one,
    Unknown visitor1 times, last one,
    12 more bugmates