20 August 2013
When you can’t solve a problem and need to get help, you can do a few things to make it easier to get an answer quickly.
First, state the problem succinctly, including (1) what you did, (2) what you expected to happen, and (3) what happened:
I will usually try to replicate your error. If you don't supply your command, any necessary data files, and the exact error message, I have no way of knowing whether I'm getting the same result as you. But, if you supply all of these things, I will generally be able to answer your question in a single email.