WP Blog Header/Installation Issue

Hi forum,
I’ve been using WordPress for nearly a decade and I’ve never had an issue with installation. I recently downloaded the latest version for my site, sharppepurple.com and I received the following message:

is enabled and the function exists. if ( WP_CACHE && function_exists( 'wp_cache_postload' ) ) wp_cache_postload(); /** * Fires once activated plugins have loaded. * * Pluggable functions are also available at this point in the loading order. * * @since 1.5.0 */ do_action( 'plugins_loaded' ); // Define constants which affect functionality if not already defined. wp_functionality_constants(); // Add magic quotes and set up $_REQUEST ( $_GET + $_POST ) wp_magic_quotes(); /** * Fires when comment cookies are sanitized. * * @since 2.0.11 */ do_action( 'sanitize_comment_cookies' ); /** * WordPress Query object * @global object $wp_the_query * @since 2.0.0 */ $GLOBALS['wp_the_query'] = new WP_Query(); /** * Holds the reference to @see $wp_the_query * Use this global for WordPress queries * @global object $wp_query * @since 1.5.0 */ $GLOBALS['wp_query'] = $GLOBALS['wp_the_query']; /** * Holds the WordPress Rewrite object for creating pretty URLs * @global object $wp_rewrite * @since 1.5.0 */ $GLOBALS['wp_rewrite'] = new WP_Rewrite(); /** * WordPress Object * @global object $wp * @since 2.0.0 */ $GLOBALS['wp'] = new WP(); /** * WordPress Widget Factory Object * @global object $wp_widget_factory * @since 2.8.0 */ $GLOBALS['wp_widget_factory'] = new WP_Widget_Factory(); /** * WordPress User Roles * @global object $wp_roles * @since 2.0.0 */ $GLOBALS['wp_roles'] = new WP_Roles(); /** * Fires before th
Fatal error: Call to undefined function wp() in /homepages/20/d464282423/htdocs/sharppepurple/wp-blog-header.php on line 14

Please help me figure out how I can fix this. Thank you!