Describe The Bug
Navigating to the Duplicate Pages page results in an error when the pages are loaded.

To Reproduce The Bug
Steps to reproduce the behavior. Please be as complete as possible and describe the exact steps and values used to cause the error:

1. Go to Duplicate Pages.
2. The page errors out with "Failed to load comics with duplicate pages. "

Expected Behavior

1. Any comics with duplicated pages should be loaded.

Operating System
Where is ComiXed running?

• Windows
• Linux (any distro)
• MacOS
• Docker (if checked, please select the host OS as well)

Database
What database is ComiXed using?

• Postgres
• MySQL/MariahDB
• H2 (embedded, generally unsupported)
• Other (please provide the name in the bug description)

Browser (If A Web Issue)

• Chrome
• Firefox
• Safari
• Other (if so, please provide a name)