NavMesh suddenly not working

Development World Creation
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1

Hi,

I have been working on optimizing my navmesh all day. I finally got to where I wanted it to be, so I started working on another blueprint for one of my objects in the game. After building it I wanted to try it out so I clicked play, but suddenly I couldn’t move anymore. When clicking ‘P’ nothing shows up anymore. I also tried looking if it is because of the level or not, but with the normal template it’s also not working and I created a new level and there it is also not working.

I have made a screenshot to visualise this. As you can see Navigation has been activated, but no green is showing. It’s like this with all levels in my project.

What changed and how do I fix this??

ss18
ss181919×1080 136 KB

2

I had the exact same thing happen to me just now in 4.27.2 in the VR template as well! Suddenly I could not teleport anymore, and the navmesh is just GONE. Rebuilding Paths does nothing. Replacing the NavMeshBoundsVolume with a new one does nothing. I created a new clean project from the VR template just to compare settings, and the new one worked fine. But my main project that I’ve been working on for weeks is completely unusable all of the sudden. Surely this is a bug.