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