it sounds like your using a script to do this.. try doing /away without any parms, this turns your away status off, if your script keys on your away status this should resolve issue, if no, then ask the author of the script.
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We don't know what your script is or how it works from your post. Usually, the best option if you have a problem with a script you downloaded is to ask the person who wrote it. Or, if it's a small script, you can paste it here and someone can take a look at it.