Sitemap broken /v. 2.11

After updating to ver 2.11, the sitemap does not work unless I tick off “exclude images”.

Sitemap worked well up until ver 2.8. It has not worked from ver 2.9 onwards.
Re: https://github.com/semperfiwebdesign/all-in-one-seo-pack/issues/2014
Is there a fix for sites with large number of images?

Thanks
John

The page I need help with: [log in to see the link]