When I ban someone, it says Error: C for example /ban Guywithnothing Error: c i tried it with my friend and all that happened was that he got kicked, I'm Using the Essentials plugin and i look at the .bat and no errors at all
In another thread, someone said it was caused by Essentials being out of date. I think they recommended upgrading to 2.2.
You can press f5 to see yourself from a 3rd person view. If you would like to see the world from a bird's eye view, try one of these plugins http://plugins.bukkit.org/#ti=Flying&ta=FUN&au= be sure to set your server.properties allow-flight to true.