[INFO] [afkTerminator] Enabling afkTerminator v1.5.2
2013-07-18 09:07:23 [INFO] [afkTerminator] ********************************************
2013-07-18 09:07:23 [INFO] [afkTerminator] * YOU ARE NOT RUNNING THE LATEST VERSION!  *
2013-07-18 09:07:23 [SEVERE] Error occurred while enabling afkTerminator v1.5.2 (Is it up to date?)
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
	at java.lang.String.substring(Unknown Source)
	at me.edge209.afkTerminator.AfkTerminator.upgradeMessage(AfkTerminator.java:578)
	at me.edge209.afkTerminator.AfkTerminator.checkVersion(AfkTerminator.java:563)
	at me.edge209.afkTerminator.AfkTerminator.onEnable(AfkTerminator.java:145)
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:457)
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:382)
	at org.bukkit.craftbukkit.v1_6_R2.CraftServer.loadPlugin(CraftServer.java:286)
	at org.bukkit.craftbukkit.v1_6_R2.CraftServer.enablePlugins(CraftServer.java:268)
	at net.minecraft.server.v1_6_R2.MinecraftServer.l(MinecraftServer.java:319)
	at net.minecraft.server.v1_6_R2.MinecraftServer.f(MinecraftServer.java:296)
	at net.minecraft.server.v1_6_R2.MinecraftServer.a(MinecraftServer.java:256)
	at net.minecraft.server.v1_6_R2.DedicatedServer.init(DedicatedServer.java:164)
	at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:397