If you're getting an error in hammer and you don't understand it, and its becoming very frustrating for you - don't worry because you're not alone.

You can join #mappers on IRC (Quakenet) if you'd like to talk to someone directly, or you can simply post your problem on here and someone should reply with some advice or a solution.

Don't be afraid to ask for help, you will learn a lot more and experience less frustration if you do!