[22:23:12 INFO]: AnonymousZz issued server command: /sa
[22:23:14 INFO]: AnonymousZz issued server command: /sa help
[22:23:14 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'sa' in plugin SimpleAlias v1.5.0
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot.jar:git-Spigot-1168]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:192) ~[spigot.jar:git-Spigot-1168]
        at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:546) ~[spigot.jar:git-Spigot-1168]
        at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:941) [spigot.jar:git-Spigot-1168]
        at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:814) [spigot.jar:git-Spigot-1168]
        at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [spigot.jar:git-Spigot-1168]
        at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:65) [spigot.jar:git-Spigot-1168]
        at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [spigot.jar:git-Spigot-1168]
        at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [spigot.jar:git-Spigot-1168]
        at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:647) [spigot.jar:git-Spigot-1168]
        at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:259) [spigot.jar:git-Spigot-1168]
        at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:530) [spigot.jar:git-Spigot-1168]
        at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:442) [spigot.jar:git-Spigot-1168]
        at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot.jar:git-Spigot-1168]
Caused by: java.lang.StringIndexOutOfBoundsException: String index out of range: -23
        at java.lang.AbstractStringBuilder.delete(AbstractStringBuilder.java:694) ~[?:1.7.0_45]
        at java.lang.StringBuilder.delete(StringBuilder.java:250) ~[?:1.7.0_45]
        at org.bukkit.craftbukkit.v1_7_R1.util.CraftChatMessage$FromString.checkUrl(CraftChatMessage.java:116) ~[spigot.jar:git-Spigot-1168]
        at org.bukkit.craftbukkit.v1_7_R1.util.CraftChatMessage$FromString.<init>(CraftChatMessage.java:53) ~[spigot.jar:git-Spigot-1168]
        at org.bukkit.craftbukkit.v1_7_R1.util.CraftChatMessage$FromString.<init>(CraftChatMessage.java:20) ~[spigot.jar:git-Spigot-1168]
        at org.bukkit.craftbukkit.v1_7_R1.util.CraftChatMessage.fromString(CraftChatMessage.java:153) ~[spigot.jar:git-Spigot-1168]
        at org.bukkit.craftbukkit.v1_7_R1.entity.CraftPlayer.sendRawMessage(CraftPlayer.java:138) ~[spigot.jar:git-Spigot-1168]
        at org.bukkit.craftbukkit.v1_7_R1.entity.CraftPlayer.sendMessage(CraftPlayer.java:146) ~[spigot.jar:git-Spigot-1168]
        at com.darkblade12.simplealias.commands.CommandHelpPage.showPage(CommandHelpPage.java:48) ~[?:?]
        at com.darkblade12.simplealias.commands.general.HelpCommand.execute(HelpCommand.java:25) ~[?:?]
        at com.darkblade12.simplealias.commands.CommandHandler.onCommand(CommandHandler.java:60) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot.jar:git-Spigot-1168]
        ... 13 more
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