Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "wp_initialize_theme_preview_hooks" not found or invalid function name in /webroot/d/i/disco078/snook-art.com/www/wp-includes/class-wp-hook.php:310 Stack trace: #0 /webroot/d/i/disco078/snook-art.com/www/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters() #1 /webroot/d/i/disco078/snook-art.com/www/wp-includes/plugin.php(517): WP_Hook->do_action() #2 /webroot/d/i/disco078/snook-art.com/www/wp-settings.php(495): do_action() #3 /webroot/d/i/disco078/snook-art.com/www/wp-config.php(102): require_once('...') #4 /webroot/d/i/disco078/snook-art.com/www/wp-load.php(50): require_once('...') #5 /webroot/d/i/disco078/snook-art.com/www/wp-blog-header.php(13): require_once('...') #6 /webroot/d/i/disco078/snook-art.com/www/index.php(17): require('...') #7 {main} thrown in /webroot/d/i/disco078/snook-art.com/www/wp-includes/class-wp-hook.php on line 310