Problem (SevTech Server) Couldn't process command: help

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Mr_Hot_Pockets

New Member
Jul 16, 2021
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I was changing my worlds on my server before, though I changed it (deleted the old world then added the new world) probably once without shutting down the server first

I tried to run the help command ingame and it pulled up this error:
[05:42:25] [Server thread/WARN] [net.minecraft.command.CommandHandler]: Couldn't process command: help
java.lang.IllegalArgumentException: Comparison method violates its general contract!
at java.util.ComparableTimSort.mergeHi(ComparableTimSort.java:866) ~[?:1.8.0_212]
at java.util.ComparableTimSort.mergeAt(ComparableTimSort.java:483) ~[?:1.8.0_212]
at java.util.ComparableTimSort.mergeForceCollapse(ComparableTimSort.java:422) ~[?:1.8.0_212]
at java.util.ComparableTimSort.sort(ComparableTimSort.java:222) ~[?:1.8.0_212]
at java.util.Arrays.sort(Arrays.java:1312) ~[?:1.8.0_212]
at java.util.Arrays.sort(Arrays.java:1506) ~[?:1.8.0_212]
at java.util.ArrayList.sort(ArrayList.java:1462) ~[?:1.8.0_212]
at java.util.Collections.sort(Collections.java:141) ~[?:1.8.0_212]
at net.minecraft.command.CommandHelp.func_184900_a(SourceFile:116) ~[cn.class:?]
at net.minecraft.command.CommandHelp.func_184881_a(SourceFile:71) ~[cn.class:?]
at net.minecraft.command.CommandHandler.func_175786_a(CommandHandler.java:119) [bj.class:?]
at net.minecraft.command.CommandHandler.func_71556_a(CommandHandler.java:91) [bj.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71333_ah(DedicatedServer.java:433) [nz.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:398) [nz.class:?]
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) [MinecraftServer.class:?]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]

The zip file is the full log
 

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