Unable to copy pages

Issue Summary

Users are unable to copy pages in Confluence.

Steps to Reproduce

1. Go to an existing Confluence page.
2. Click on more actions (...) > Copy.

Expected Results

Users should be able to copy pages.

Actual Results

The copy action takes a while until it fails with the following error message:

Something went wrong.
Please try again later.

Sometimes this other message appears:

An error occurred. Please try again later.

Workaround

Users can create a new page and copy and paste the content of the page.