如何修复“参数1到wp_default_scripts（）期望作为参考”

i am new in my business and I try to set up a website from a backup. Dont know who is building this. only get this error message!

// Sort
if ( !isset( $merged_filters[ $tag ] ) ) {
    ksort($wp_filter[$tag]);
    $merged_filters[ $tag ] = true;``
}

reset( $wp_filter[ $tag ] );

do {
    foreach( (array) current($wp_filter[$tag]) as $the_ )
        if ( !is_null($the_['function']) )
            call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args']));(<-- line571)

} while ( next($wp_filter[$tag]) !== false );

array_pop($wp_current_filter);

Warning: Parameter 1 to wp_default_scripts() expected to be a reference, value given in C:\xampp\htdocs\wp-includes\plugin.php on line 571