[10:36:33 WARN]: Unexpected exception while parsing console command "craftcase all 10"
org.bukkit.command.CommandException: Unhandled exception executing command 'craftcase' in plugin CO_PREMIUMCASE v0.2
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit1.8.8.jar:git-Bukkit-18fbb24]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:140) ~[craftbukkit1.8.8.jar:git-Bukkit-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:620) ~[craftbukkit1.8.8.jar:git-Bukkit-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchServerCommand(CraftServer.java:606) [craftbukkit1.8.8.jar:git-Bukkit-18fbb24]
        at net.minecraft.server.v1_8_R3.DedicatedServer.aO(DedicatedServer.java:372) [craftbukkit1.8.8.jar:git-Bukkit-18fbb24]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:336) [craftbukkit1.8.8.jar:git-Bukkit-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:629) [craftbukkit1.8.8.jar:git-Bukkit-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:537) [craftbukkit1.8.8.jar:git-Bukkit-18fbb24]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_181]
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_8_R3.command.ColouredConsoleSender cannot be cast to org.bukkit.entity.Player
        at me.pimposz.premiumcase.Komenda.onCommand(Komenda.java:19) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit1.8.8.jar:git-Bukkit-18fbb24]
        ... 8 more