Can't upload site anymore
The only thing which I currently can consider is a slow internet/server connection. I cannot see any other reason which can cause that randomly finished JSON file :/
But I have no idea how I can reproduce it.
Can you check other hosting service?
Do you appreciate the support you've received today? If so, consider donating to the Publii team by clicking here; we'll be sure to use your donation to make Publii even better!