Actors disappear on Play

I’m working on a small mod for Hello Neighbor and I’ve spent quite a considerable amount of time working on a level and now a strange bug has occurred. I’m afraid I might have to start over from scratch if I don’t figure it out.

I’ve placed a bunch of Objects in the environment. However, when I press play, they all disappear.

There are a few things I noticed. First off, I’ve resolved all the light baking issues and after baking lights, I have zero objects that need to have their lighting rebuilt. When I press play, this number suddenly spikes up to 40, which I assume is the number of objects that’s not visible.

Also, I can create a new level in the same mod and place out the same objects and they display just fine.

Any ideas?

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I’m thinking maybe they flew out of scene the moment you pressed play. Are you using physics?

It would explain the movement too ( and light figures ).

Can you still see them in the world outliner?

No, it seems like they just disappear.

Bizzare…

https://answers.unrealengine.com/questions/190562/everything-disappeared.html

Maybe objects you placed are at different level. You can move them to persistent level or you can add a level streaming volume around your level and add it to “Streaming volumes” array from the level details menu.

I ve got exact same problem and cannot find why. only certain actor disapear. i try to redonne many time and they dispeard after 0.2sec. … I tried to redonne actor many time and do other but only specific one dont want to show up… if i just display the mesh no problem

I tried to look all the option cant find anything yet