slowly

Hi use ns-cloner on local to duplicate woocommerce site and in work fine.

Now i try the same process online whit same site , the only differece is https and sucuri.

the load bar is on 38% and the message:
It appears background processing may be getting blocked on the server (or could just be running slowly). Activating backup AJAX processing to ensure completion, so please keep this window open.

what can i do?

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