alter the opening statements of wp-gdata.php to be
// Load the OAuth library.
if ( ! class_exists( 'Yoast_OAuthConsumer' ) )
require( dirname(__FILE__) .'/OAuth.php' );
[Wed Nov 16 09:34:19 2011] [error] [client 81.99.131.140] PHP Fatal error: require(): Failed opening required 'OAuth.php' (include_path='.:/usr/share/php:/usr/share/pear') in \xf7\x1f\x8b[e/wylee/sites/ibas.org.uk/blog/web/wp-content/plugins/google-analytics-for-wordpress/wp-gdata/wp-gdata.php on line 10, referer: http://ibas.org.uk/
The path looks gobbldeegook.
