Epub to pdf online converter: pages missing

My PDF - created from ePubs - have no cover page. Why?

@bloggie

Could you please share the source EPUB file? We’ll then look into this scenario.

Thanky ou for this very fast response!
The ePub is a photobook file from a photobook shop and might not be according to the ePub rules, just to let you know.
https://www.dropbox.com/scl/fi/pgxzt5stenkv22vjffp14/Usbekistan-2019.epub?rlkey=p4ed88qmjawyue05nik59hhpp&st=br0gw39t&dl=0

@bloggie
We have opened the following new ticket(s) in our internal issue tracking system and will deliver their fixes according to the terms mentioned in Free Support Policies.

Issue ID(s): APPS-2610