Problem with migrating assets between project

Hello I have a problem here migrating(or manually moving with explorer) some folders with assets from one project to another. In windows explorer everything works fine, there are all assets in their folders, but in ue4 all folders are empty with no assets in them.

Yeah, you need to migrate them using the content browser functionality. Are your projects the same engine version?

Yes. Also, earlier it works with different versions of UE4. And now if I create new project and import assets there it will be success. I think i broke something in project.

There are .uassets files in content folder of my project but it doesn’t sees them.

Usually, when that happens, it’s because of different engine versions…

Really. It works than i migrate from lower version to higher, but in this case i did conversely from higher to lower