Problem with cutom post type sitemap

I use 4.0.8 version.
I have few custom post types. XML index has links to sub-sitemaps for each CPT. All maps are OK except one CPT. There are 80 000 + posts for this custom post type but XML map for this CPT load empty page.
Any suggestions?

https://ww.wp.xz.cn/plugins/google-sitemap-generator/