https://www.icyphoenix.com/viewtopic.php?f=26&t=1411&p=10647#p10647
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Derky
Fri 23 Mar, 2007 17:08

Re: Invalid Combination Of Category Id And Authentication Da
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[quote user="Artie" post="10645"]I do not experience this problem and I'm not sure of your solution,
but Hey...if it works  :wink:[/quote]

http://www.google.nl/search?hl=nl&client=opera&rls=nl&q=Invalid+combination+of+category+id+and+authentication+data+powered+by+phpbb&btnG=Zoeken&meta=  :P