15:17:33 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing 'mineagetags create $ mineagetags.user.$ &8[&3$&8]' in me.matthewe.mineage.tags.atherialapi.plugin.AtherialPlugin$ReflectCommand(mineagetags)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:150) ~[spigot.jar:git-TacoSpigot-bf023c7d]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:667) ~[spigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1178) [spigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:991) [spigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigot.jar:git-TacoSpigot-bf023c7d]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_131]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_131]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [spigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:785) [spigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:427) [spigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:724) [spigot.jar:git-TacoSpigot-bf023c7d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:627) [spigot.jar:git-TacoSpigot-bf023c7d]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]
Caused by: java.lang.IllegalArgumentException: Illegal group reference: group index is missing
	at java.util.regex.Matcher.appendReplacement(Matcher.java:819) ~[?:1.8.0_131]
	at java.util.regex.Matcher.replaceAll(Matcher.java:955) ~[?:1.8.0_131]
	at java.lang.String.replaceAll(String.java:2223) ~[?:1.8.0_131]
	at me.matthewe.mineage.tags.handlers.tag.commands.MineageTagsCommand.execute(MineageTagsCommand.java:80) ~[?:?]
	at me.matthewe.mineage.tags.atherialapi.plugin.command.AtherialCommand.onCommand(AtherialCommand.java:25) ~[?:?]
	at me.matthewe.mineage.tags.atherialapi.plugin.AtherialPlugin$ReflectCommand.execute(AtherialPlugin.java:285) ~[?:?]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:143) ~[spigot.jar:git-TacoSpigot-bf023c7d]
	... 14 more