Issue Summary

When try to copy a page with a large amount of attachments, the copy fails

Steps to Reproduce

1. Go to a page that has more then 200 attachments
2. try to copy to the same space

Expected Results

A copy of the page should appear after some time.

Actual Results

The last message in the logs shows an incomplete job percentage:

"elapsedTime": 199999,     "percentageComplete": 79

And before the copy finishes, a popup appears:
 
"An error occurred. Please try again later."

Workaround

Copy the content of the page itself and paste in a new page.