NPCS don't move after spawning

Summary

I have 15 NPCs on my map. When they spawn, sometimes they don’t move. They can shoot and die normally, but can’t perform any movement. The navigation mesh seems to be perfect. Sometimes the NPC works properly in one gameplay but not in the next

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

AI

Steps to Reproduce

Place a NPC device in your map. Check if the navigation map is ok. Set it to spawn and fight.

Expected Result

They will spawn and walk freely at the navigation mesh.

Observed Result

Sometimes they get stuck at the spawn point, they can fight and take damage but can’t walk.

Platform(s)

All