Steps to reproduce:
Assuming you have at least one version of the document besides the current version, navigate to the document manager -> Restrictions.
Restrict the Current version to be visible only to you.
Try sharing the document with someone who does not have access to the current version.
The user is able to read the last saved version of the document in the document reader.
The following error is thrown -
Any update on this would be appreciated.
It appears that Atlassian has just fixed the Confluence bug that was causing this problem, so it should be solved now.