Error

[20:24:51] [Server thread/INFO]: PengBread issued server command: /class profess Warrior
[20:24:51] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing 'class profess Warrior' in class
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:188) ~[spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchCommand(CraftServer.java:767) ~[spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at net.minecraft.server.v1_7_R4.PlayerConnection.handleCommand(PlayerConnection.java:1043) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:880) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at net.minecraft.server.v1_7_R4.PacketPlayInChat.a(PacketPlayInChat.java:28) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at net.minecraft.server.v1_7_R4.PacketPlayInChat.handle(PacketPlayInChat.java:65) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:186) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:81) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:734) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
Caused by: java.lang.IllegalArgumentException: The name '§e[§6Warrior§e]§r' is longer than the limit of 16 characters
	at org.apache.commons.lang.Validate.isTrue(Validate.java:136) ~[spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at org.bukkit.craftbukkit.v1_7_R4.scoreboard.CraftScoreboard.registerNewObjective(CraftScoreboard.java:39) ~[spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at org.bukkit.craftbukkit.v1_7_R4.scoreboard.CraftScoreboard.registerNewObjective(CraftScoreboard.java:20) ~[spigot.jar:git-Spigot-1.7.9-R0.2-208-ge0f2e95]
	at com.rit.sucy.scoreboard.Board.<init>(Board.java:46) ~[?:?]
	at com.rit.sucy.scoreboard.Board.<init>(Board.java:35) ~[?:?]
	at com.rit.sucy.scoreboard.StatBoard.<init>(StatBoard.java:21) ~[?:?]
	at com.sucy.skill.manager.ClassBoardManager.update(ClassBoardManager.java:76) ~[?:?]
	at com.sucy.skill.api.player.PlayerData.updateScoreboard(PlayerData.java:1138) ~[?:?]
	at com.sucy.skill.api.player.PlayerData.profess(PlayerData.java:708) ~[?:?]
	at com.sucy.skill.cmd.CmdProfess.execute(CmdProfess.java:67) ~[?:?]
	at com.rit.sucy.commands.ConfigurableCommand.execute(ConfigurableCommand.java:469) ~[?:?]
	at com.rit.sucy.commands.ConfigurableCommand.execute(ConfigurableCommand.java:476) ~[?:?]
	at com.rit.sucy.commands.ConfigurableCommand.execute(ConfigurableCommand.java:449) ~[?:?]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:181) ~