Dear all.
First of all my compliments for the excellent game.
Around 3 of august corrent, i´ve put some of my buildings to upload to the next level. several of them it was suposed to take 7 days to finish the task.
At the present date, 17-08-2018 several of them still remain 3 days to finish.
Hope this comment can help you to check this issue.
Receive my best regards
Lordragon