In a first moment it seems that this can be a convertion problem from the mediawiki, but I'm not sure if this is expected for this kind of convertion from the mediawiki. To obtain a better assistance with this kind of procedure and the UWC I would suggest you to make a contact with the Atlassian Expert AppFusions, that is an expert with UWC cases, you can contact them by the following:
I hope this helps.
Do you use templates with Confluence? Take part in a remote 1-hr workshop. You'll receive USD $100 for your time! We're looking for people to participate in a remote 1-hr workshop...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs