For anyone who is new to using the AIM bot, to sign on you need a valid registered AOL AIM account screen name and password first. I found this out by trial and error, don't give up keep trying.
Goto AOl website and sign up for a AOL AIM, make sure you have current version of the AOL IM on your system. Register and sign up for a account and screen name they are free.
After getting one use the new screen name and password and choose your Hal brain plugin. This should allow you to sign in with your hal aim bot.[
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Warning: you need a seperate account for each bot you intend to use at the same time, I have done three with no problems.[:0]
You can also talk to your own bot online, but your response may be different then when talking offline unless you use an AOL IM account with the same name you currently talk with hal offline.[^]
This should correct the sign on error.