# Actors disappear in scene when making any changes to position or rotation. **URL:** \ **Category:** World Creation\ **Tags:** viewport, unreal-engine, bug-report, editor, Rendering\ **Created:** [February 9, 2023, 11:49am UTC](https://forums.unrealengine.com/t/actors-disappear-in-scene-when-making-any-changes-to-position-or-rotation/767236 "2023-02-09T11:49:15Z")\ **Posts on this page:** 1\ **Showing post:** 26
**Author:** ![LilSnoozy](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@LilSnoozy](https://forums.unrealengine.com/u/LilSnoozy)\ **Post date:** [February 11, 2023, 6:48pm UTC](https://forums.unrealengine.com/t/actors-disappear-in-scene-when-making-any-changes-to-position-or-rotation/767236/26 "2023-02-11T18:48:28Z")
> [@Actors BP disapear when Build Geometry or Lighting UE5.1.0](https://forums.unrealengine.com/t/actors-bp-disapear-when-build-geometry-or-lighting-ue5-1-0/692183/7): > > Just fell on this via google so I’m not sure if it’s known and discussed elsewhere by now. Apologies if it is. This does seem to be a 5.1.0 bug with Build Geometry specifically. It’s causing any and all actor BP components to vanish from the editor, not even DefaultSceneRoot on an empty BP is spared. With a fresh install and default settings: Create new blank project Create a new actor BP and add literally anything (cube mesh, box collision, wtva) Compile/save and Build Geometry The compone… I found this Quote from a similar topic around a month ago. Could be a version of the issue users experienced here, but I somehow may have a more severe problem. --- _[View the full topic](https://forums.unrealengine.com/t/actors-disappear-in-scene-when-making-any-changes-to-position-or-rotation/767236)._