Okay try the following one last time:
1. turn on WP_DEBUG
2. flush sitemap cache
3. turn on sitemap debug
visit: http://yourdomain.com/page.xml and see if there's any error.
Okay try the following one last time:
1. turn on WP_DEBUG
2. flush sitemap cache
3. turn on sitemap debug
visit: http://yourdomain.com/page.xml and see if there's any error.