Moving projects from Windows To Mac

Hi Guys ,
I Need to transfer One of my projects from Windows unreal to Mac unreal .Iam using a USB To transfer the project .
When I Run the copied project on Mac …some of the files and maps doesn’t open and when I try to right click on it it says : FAILED TO LOAD ASSETS .
I have try to use option “validate Assets in Folder” and I got error the Asset validation is failed …all the files has failed the asset validation …I have tried to migrate the whole content browser but nothing happened , Is there any other way.
Please Help !!

I have the same problem(