query_first means you don't have to do a fetch_array after doing the query - it is for when you only expect one row from your query.
Take a look at the vbulletin code in your files. There are lots and lots of examples in there.
Your error is most likely from a plugin. Look at line 265 in class_postbit. My guess is it is a hook and thus you have an error in a plugin that uses that hook location.
09-25-2009, 07:23 PM
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