Sitewide autolinks from SEO kicking out errors

Parse error: syntax error, unexpected T_DNUMBER in /home/clubish1/public_html/wp-content/plugins/wpmu-dev-seo/wds-files/wds-autolinks/wds-autolinks.php(265) : regexp code on line 1

Fatal error: preg_replace() [function.preg-replace]: Failed evaluating code: '<h2>'.2.'</h2>' in /home/clubish1/public_html/wp-content/plugins/wpmu-dev-seo/wds-files/wds-autolinks/wds-autolinks.php on line 265

http://faribo-sno-go-mn.clubhosting.org/?p=216

Just started doing this. Please advise

Note - I pulld out custom keywords and it removed the issue. It must have had an issue parsing said keywords.

- Back to square one. More issues. I am wondering if it has something to do with clashing with other plugins

Parse error: syntax error, unexpected T_DNUMBER in /home/clubish1/public_html/wp-content/plugins/wpmu-dev-seo/wds-files/wds-autolinks/wds-autolinks.php(265) : regexp code on line 1

Fatal error: preg_replace() [function.preg-replace]: Failed evaluating code: '<h1>'.2.'</h1>' in /home/clubish1/public_html/wp-content/plugins/wpmu-dev-seo/wds-files/wds-autolinks/wds-autolinks.php on line 265