Error in ghost plugin

Unexpected exception while parsing console command "ghost"
org.bukkit.command.CommandException: Unhandled exception executing command 'ghost' in plugin Ghost v1.0.3
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-10-gcf5a547-b3035jnks]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:180) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-10-gcf5a547-b3035jnks]
	at org.bukkit.craftbukkit.v1_7_R2.CraftServer.dispatchCommand(CraftServer.java:696) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-10-gcf5a547-b3035jnks]
	at org.bukkit.craftbukkit.v1_7_R2.CraftServer.dispatchServerCommand(CraftServer.java:683) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-10-gcf5a547-b3035jnks]
	at net.minecraft.server.v1_7_R2.DedicatedServer.ax(DedicatedServer.java:286) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-10-gcf5a547-b3035jnks]
	at net.minecraft.server.v1_7_R2.DedicatedServer.v(DedicatedServer.java:251) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-10-gcf5a547-b3035jnks]
	at net.minecraft.server.v1_7_R2.MinecraftServer.u(MinecraftServer.java:548) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-10-gcf5a547-b3035jnks]
	at net.minecraft.server.v1_7_R2.MinecraftServer.run(MinecraftServer.java:459) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-10-gcf5a547-b3035jnks]
	at net.minecraft.server.v1_7_R2.ThreadServerApplication.run(SourceFile:618) [craftbukkit.jar:git-Bukkit-1.7.2-R0.3-10-gcf5a547-b3035jnks]
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_7_R2.command.ColouredConsoleSender cannot be cast to org.bukkit.entity.Player
	at me.Schnel.Ghost.main.onCommand(main.java:27) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit.jar:git-Bukkit-1.7.2-R0.3-10-gcf5a547-b3035jnks]
	... 8 more