Minecraft plugin returns error

So, i want to make a simple plugin, that prints some text into console, and after build, i get error [20:16:08 ERROR]: Error occurred while enabling LogConsole v1.0 (Is it up to date?) java.lang.NullPointerException: Cannot invoke "org.bukkit.command.PluginCommand.setExecutor(org.bukkit.command.CommandExecutor)" because the return value of "ru.mrksbgg.logConsole.LogConsole.getCommand(String)" is null