Pages imported from Confluence Server cannot be edited, generate "This content cannot be accessed. Your session may have expired, you can attempt to log in. " error

Summary

When attempting to save edits on a page imported from Confluence Server, a "This content cannot be accessed. Your session may have expired, you can attempt to log in. " error is received.

Steps to Reproduce

1. Import a space with pages from Confluence server to Confluence Cloud
2. Edit the page
3. Try to save the page

Expected Results

Page should save normally.

Actual Results

"This content cannot be accessed. Your session may have expired, you can attempt to log in. " error is received, page cannot be saved.

Workaround

Creating a Copy of the page, and replacing the impacted page with the copy will result in a page that can be edited.

NOTE: The copy page operation does not copy comments, versions, or unpublished draft changes. If you use this workaround it is recommended to move the impacted page to a new space for archival purposes if you wish to retain comments and previous versions of the page.