[22:13:01] [Server thread/FATAL] [minecraft/MinecraftServer]: Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
        at java.util.concurrent.FutureTask.report(Unknown Source) ~[?:1.8.0_201]
        at java.util.concurrent.FutureTask.get(Unknown Source) ~[?:1.8.0_201]
        at net.minecraft.util.Util.func_181617_a(SourceFile:47) [h.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:723) [MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397) [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(Unknown Source) [?:1.8.0_201]
Caused by: java.lang.NullPointerException
        at com.forgeessentials.worldborder.CommandWorldBorder.parse(CommandWorldBorder.java:82) ~[CommandWorldBorder.class:?]
        at com.forgeessentials.core.commands.ParserCommandBase.func_184883_a(ParserCommandBase.java:36) ~[ParserCommandBase.class:?]
        at net.minecraft.command.CommandHandler.func_180524_a(CommandHandler.java:199) ~[bj.class:?]
        at net.minecraft.server.MinecraftServer.func_184104_a(MinecraftServer.java:920) ~[MinecraftServer.class:?]
        at net.minecraftforge.server.console.ConsoleCommandCompleter.lambda$complete$0(ConsoleCommandCompleter.java:63) ~[ConsoleCommandCompleter.class:?]
        at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_201]
        at net.minecraft.util.Util.func_181617_a(SourceFile:46) ~[h.class:?]
        ... 5 more
[22:13:01] [Server console handler/ERROR] [net.minecraftforge.server.console.ConsoleCommandCompleter]: Failed to tab complete
java.util.concurrent.ExecutionException: java.lang.NullPointerException
        at java.util.concurrent.FutureTask.report(Unknown Source) ~[?:1.8.0_201]
        at java.util.concurrent.FutureTask.get(Unknown Source) ~[?:1.8.0_201]
        at net.minecraftforge.server.console.ConsoleCommandCompleter.complete(ConsoleCommandCompleter.java:67) ~[forge-1.12.2-14.23.5.2772-universal.jar:?]
        at org.jline.reader.impl.LineReaderImpl.doComplete(LineReaderImpl.java:3765) ~[jline-3.5.1.jar:?]
        at org.jline.reader.impl.LineReaderImpl.expandOrComplete(LineReaderImpl.java:3684) ~[jline-3.5.1.jar:?]
        at org.jline.reader.impl.LineReaderImpl.readLine(LineReaderImpl.java:552) [jline-3.5.1.jar:?]
        at org.jline.reader.impl.LineReaderImpl.readLine(LineReaderImpl.java:390) [jline-3.5.1.jar:?]
        at net.minecraftforge.server.console.TerminalHandler.handleCommands(TerminalHandler.java:61) [TerminalHandler.class:?]
        at net.minecraft.server.dedicated.DedicatedServer$2.run(DedicatedServer.java:99) [nz$2.class:?]
Caused by: java.lang.NullPointerException
        at com.forgeessentials.worldborder.CommandWorldBorder.parse(CommandWorldBorder.java:82) ~[CommandWorldBorder.class:?]
        at com.forgeessentials.core.commands.ParserCommandBase.func_184883_a(ParserCommandBase.java:36) ~[ParserCommandBase.class:?]
        at net.minecraft.command.CommandHandler.func_180524_a(CommandHandler.java:199) ~[bj.class:?]
        at net.minecraft.server.MinecraftServer.func_184104_a(MinecraftServer.java:920) ~[MinecraftServer.class:?]
        at net.minecraftforge.server.console.ConsoleCommandCompleter.lambda$complete$0(ConsoleCommandCompleter.java:63) ~[ConsoleCommandCompleter.class:?]
        at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_201]
        at net.minecraft.util.Util.func_181617_a(SourceFile:46) ~[h.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:723) ~[MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397) ~[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(Unknown Source) ~[?:1.8.0_201]
> help worldborder
[22:13:18] [Server thread/INFO] [minecraft/DedicatedServer]: /wb: Configure worldborder
> worldborder
[22:13:27] [Server thread/INFO] [minecraft/DedicatedServer]: /wb enable|disable
[22:13:27] [Server thread/INFO] [minecraft/DedicatedServer]: /wb center here: Set worldborder center
[22:13:27] [Server thread/INFO] [minecraft/DedicatedServer]: /wb size <xz> [z]: Set worldborder size
[22:13:27] [Server thread/INFO] [minecraft/DedicatedServer]: /wb shape box|ellipse: Set worldborder center
[22:13:27] [Server thread/INFO] [minecraft/DedicatedServer]: An unknown error occurred while attempting to perform this command
[22:13:27] [Server thread/WARN] [minecraft/CommandHandler]: Couldn't process command: worldborder
java.lang.NullPointerException: null
        at com.forgeessentials.worldborder.CommandWorldBorder.parse(CommandWorldBorder.java:63) ~[CommandWorldBorder.class:?]
        at com.forgeessentials.core.commands.ParserCommandBase.func_184881_a(ParserCommandBase.java:22) ~[ParserCommandBase.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(Unknown Source) [?:1.8.0_201]