Hi Tyler,
I tried and it works fine.
I would like to ask you to check the UNtools version that should be v2.4.2. if not update the package.
I faced this type of problem previously and as a workaround, I tried following steps that went well for me.
- Close your ArcGIS Pro
- Restart your database service
- Restart your ArcGIS Server
- Re-open your project in ArcGIS Pro
- Re-run the GP Tool - Enanable Network Topology
Hope this will help you.
Good Luck!
Manoj