Deleting the Confluence Page connected to the JSW project breaks "Project pages"

Issue Summary

When the customer deleted a single Confluence page that is connected to the JSW project via "Project Pages" will break the "Project Pages" page. See screenshot.
image-2023-01-25-18-17-45-179.png

This is reproducible on Data Center: N/A

Steps to Reproduce

1. Create a test Confluence page.
2. Open any Jira Software project and go to "Project Pages".
3. Link the Confluence page above to the project.
4. Delete the Confluence page.
5. Refresh the "Project Pages" on the JSW project.

Expected Results

• Page should load properly and show the option to link to the Confluence space/page.

Actual Results

• Page will fail to load with the error "We can’t display project pages right now. Contact support if refreshing doesn’t fix things".

Workaround

Restore the Confluence page from the space settings > Trash.
If you are not sure which page was previously connected, we recommend you create a Support Ticket with us and reference this ticket (JSWCLOUD-23986). Thank you!