Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "wp_initialize_site_preview_hooks" not found or invalid function name in /home/vpitsolu/public_html/wp-includes/class-wp-hook.php:324
Stack trace:
#0 /home/vpitsolu/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#1 /home/vpitsolu/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#2 /home/vpitsolu/public_html/wp-settings.php(704): do_action('init')
#3 /home/vpitsolu/public_html/wp-config.php(100): require_once('/home/vpitsolu/...')
#4 /home/vpitsolu/public_html/wp-load.php(50): require_once('/home/vpitsolu/...')
#5 /home/vpitsolu/public_html/wp-admin/admin.php(34): require_once('/home/vpitsolu/...')
#6 /home/vpitsolu/public_html/wp-admin/index.php(10): require_once('/home/vpitsolu/...')
#7 {main}
thrown in /home/vpitsolu/public_html/wp-includes/class-wp-hook.php on line 324 WordPress › Error
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