[14:09:25 WARN]: Unhandled exception when tab completing
java.util.concurrent.ExecutionException: org.bukkit.command.CommandException: Un
handled exception executing tab-completer for 'deop Vo' in org.bukkit.craftbukki
t.v1_10_R1.command.VanillaCommandWrapper(deop)
at org.bukkit.craftbukkit.v1_10_R1.util.Waitable.get(Waitable.java:42) ~
[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at org.bukkit.craftbukkit.v1_10_R1.command.ConsoleCommandCompleter.compl
ete(ConsoleCommandCompleter.java:35) [spigot-1.10.2.jar:git-Spigot-2486fb7-60c17
19]
at org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.complete(Cons
oleReader.java:3261) [spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLine(Cons
oleReader.java:2621) [spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at net.minecraft.server.v1_10_R1.DedicatedServer$2.run(DedicatedServer.j
ava:84) [spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
Caused by: org.bukkit.command.CommandException: Unhandled exception executing ta
b-completer for 'deop Vo' in org.bukkit.craftbukkit.v1_10_R1.command.VanillaComm
andWrapper(deop)
at org.bukkit.command.SimpleCommandMap.tabComplete(SimpleCommandMap.java
:221) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at org.bukkit.command.SimpleCommandMap.tabComplete(SimpleCommandMap.java
:169) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at org.bukkit.craftbukkit.v1_10_R1.command.ConsoleCommandCompleter$1.eva
luate(ConsoleCommandCompleter.java:25) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60
c1719]
at org.bukkit.craftbukkit.v1_10_R1.command.ConsoleCommandCompleter$1.eva
luate(ConsoleCommandCompleter.java:1) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c
1719]
at org.bukkit.craftbukkit.v1_10_R1.util.Waitable.run(Waitable.java:24) ~
[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:
742) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:
400) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:
668) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.jav
a:567) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at java.lang.Thread.run(Unknown Source) ~[?:1.8.0_101]
Caused by: java.lang.NullPointerException
at org.bukkit.craftbukkit.v1_10_R1.command.VanillaCommandWrapper.tabComp
lete(VanillaCommandWrapper.java:46) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c17
19]
at org.bukkit.command.SimpleCommandMap.tabComplete(SimpleCommandMap.java
:217) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at org.bukkit.command.SimpleCommandMap.tabComplete(SimpleCommandMap.java
:169) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at org.bukkit.craftbukkit.v1_10_R1.command.ConsoleCommandCompleter$1.eva
luate(ConsoleCommandCompleter.java:25) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60
c1719]
at org.bukkit.craftbukkit.v1_10_R1.command.ConsoleCommandCompleter$1.eva
luate(ConsoleCommandCompleter.java:1) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c
1719]
at org.bukkit.craftbukkit.v1_10_R1.util.Waitable.run(Waitable.java:24) ~
[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:
742) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:
400) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:
668) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.jav
a:567) ~[spigot-1.10.2.jar:git-Spigot-2486fb7-60c1719]
at java.lang.Thread.run(Unknown Source) ~[?:1.8.0_101]