Plugin Help Healing Plugin - Errors

These are the errors in my codes.
http://gyazo.com/03c39446f3e12f34f305241c8961325f
http://gyazo.com/e67e3e706c462b08ff57a061ab4c4163

I'm trying to make a plugin which heals all online players every 2 minutes, I haven't made the healing bit yet but I have some errors and don't know how to resolve them, any help would be appreciated.