(gzip & download folder) (chmod folder to 777) (these rarely work)
.
..
providers
class-wp-sitemaps-renderer.php|Download||Edit||Delete|
class-wp-sitemaps-stylesheet.php|Download||Edit||Delete|
class-wp-sitemaps-registry.php|Download||Edit||Delete|
class-wp-sitemaps.php|Download||Edit||Delete|
class-wp-sitemaps-provider.php|Download||Edit||Delete|
class-wp-sitemaps-index.php|Download||Edit||Delete|