Creating a wrapper page within WordPress 2.9

I’ve been searching for a way to create a wrapper page within WordPress without having to install a plugin. I browsed the WordPress files and found wp-blog-header.php in the root install directory. It’s really simple. <?php require_once(‘wp-blog-header.php’); get_header(); // this is the content layout based on the current theme you are using get_sidebar(); get_footer(); ?>…

WordPress [an error occurred while processing this directive]

I’ve been getting the [an error occurred while processing this directive] error every time I go to my website. I googled it and found this http://wordpress.org/support/topic/204631?replies=4. People suggested it was caused by the WP Super Cache plugin. I’m currently running 0.9.7. Well, how could you get to the plugins interface if every page displayed that…