# I'm having issues with 2 things, Packaged Level Actor and Objects disappearing form Viewport on build **URL:** \ **Category:** Architectural and Design Visualization\ **Tags:** unreal-engine, editor, Lighting, question\ **Created:** [February 5, 2023, 7:45am UTC](https://forums.unrealengine.com/t/im-having-issues-with-2-things-packaged-level-actor-and-objects-disappearing-form-viewport-on-build/763965 "2023-02-05T07:45:33Z")\ **Posts on this page:** 1\ **Showing post:** 3
**Author:** ![LilSnoozy](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@LilSnoozy](https://forums.unrealengine.com/u/LilSnoozy)\ **Post date:** [February 17, 2023, 3:21pm UTC](https://forums.unrealengine.com/t/im-having-issues-with-2-things-packaged-level-actor-and-objects-disappearing-form-viewport-on-build/763965/3 "2023-02-17T15:21:16Z")
Thanks, I made another post since I thought i may have posted this question in the wrong spot and got responses immediately, However I believe the issue is a bug with UE 5 at the moment. It’s even worse on 5.1. Here are the links to the other threads. > [@Actors disappear in scene when making any changes to position or rotation.](https://forums.unrealengine.com/t/actors-disappear-in-scene-when-making-any-changes-to-position-or-rotation/767236): > > When I make changes to any BP object in the Viewport, My object disappears. They only reappear when i toggle a setting in the details panel(Physics tick, Hidden in game, generate physics tick, overlap generation etc.) The actor is not set to hidden by default, but it still gets hidden when trying to alter position rotation and scale. Is this a bug or a feature I can turn off? > [@Actors BP disapear when Build Geometry or Lighting UE5.1.0](https://forums.unrealengine.com/t/actors-bp-disapear-when-build-geometry-or-lighting-ue5-1-0/692183): > > Hello, I migrated my project from UE4.27.2 to UE5.1.0. Reopened my maps, things seem correct overall. I removed all options related to lumen etc in order to be closer to the performance of UE4. The problem I am having now is when building light or building geometry. As soon as I want to build light or build geometry, UE5.1 removes absolutely all actorsBP from the map. While I have also lights in these bp (static and stationary), if I let the light build finish, the map is without these bpa… --- _[View the full topic](https://forums.unrealengine.com/t/im-having-issues-with-2-things-packaged-level-actor-and-objects-disappearing-form-viewport-on-build/763965)._