what is happening with my meshes?

[YOUTUBE’S LINK][2]

Hi, I’ve been working on this project for VR presentations for couple of days and today I found this weird thing with 2 sets of windows

I’ve reseted its rotation to place it in the right object but it acts really wierd. When i move it close to place where it should be it starts rotating moving in a weird way. Its the first and only object which acts like this

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1410408-unreal-engine-bug-submission-form

Thanks