Themes only on Home & Blog pages

I just installed the Community theme at http://primerealestateblogs.com.

I found that it only appears on the HOME and BLOG pages. The MEMBERS, GROUPS, and BLOGS pages all kept the default theme.

I then tried uploading the Corporate theme and got exactly the same results.

On both installations, I got the following error message, but the theme stil loaded.

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Warning: file(/home/primerea/public_html/wp-content/themes/buddycorporate/style.css) [function.file]: failed to open stream: No such file or directory in /home/primerea/public_html/wp-includes/theme.php on line 180

Warning: implode() [function.implode]: Invalid arguments passed in /home/primerea/public_html/wp-includes/theme.php on line 180

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Please advise asap. Thanks.