Error with PCDATA nodes

When I run my XSL against an XML, I am getting the
following error, "Keyword xsl:value-of may not contain
PCDATA nodes".  The main problem is that it didn't
even tell me where the error was, so I commented out
some areas, but I kept on getting the error.  What
could it be?  Also, the XSL file is very long, so how
could I locate where the error is without manually
looking?  Thanks.


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