Convert map to world partition not working unreal engine 5.7.4

Summary

Creating a new map/level in Unreal engine 5.7.4, it doesn’t seem to correctly convert to world partition. To be clear, this is for unreal engine… Not Fortnite or ‘creative’. dropdown option is missing?

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

Stability

Steps to Reproduce

Create new level. Tools > World Partition > Convert.

Expected Result

Conversion of level to world partition

Observed Result

It just doesn’t work, and infinitely loads.

Platform(s)

PC