Thread:Project:Support desk/Warning: xml parse() function.xml-parse : Unable to call handler out ... Import.php

I get this when trying to import xml (even a file with a few articles) from current wikipedia content export to MW 1.16.5.

Warning: xml_parse [function.xml-parse]: Unable to call handler out_ in .../public_html/w/mediawiki-1.16.5/includes/Import.php on line 437

MW 1.16.5 Apache version 2.2.23 PHP version 5.3.21 MySQL version 5.1.66-cll