Importing different FBX but overriding different mesh

I am new to UE and 3D environment in general. I am different objects in blender with different object names. I tried to export each objects as FBX with settings same with the tutorials (selected objects only while only the selected object to be export, Object Types = Mesh, Geometry > Smoothing > Face),

the first fbx which is named PillarFlat works fine but when I export the Walls and import it to UE, this message popup "Are you sure you want to override asset ‘StaticMesh/Game/AncientRome/Assets/PillarFlat.PillarFlat’?. If I select No, then the import will be cancelled but if I select Yes, then the PillarFlat Mesh will be replaced with the Walls mesh.


I took some research but the answer that I found is just rename the objects, I always names my objects but still stuck in PillarFlat issue

One way I found is every time I import an object, you need to rename it to prevent that issue but each imports are all named as PillarFlat.

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Adding some info regarding to this issue. I have tested this with UE 5.4 but importing new fbx will not replace the assets that I already have in my project. I think this is a bug with UE 5.5 so I already reported it as a bug

Yes, I have that too. If you restart Unreal you can export once. Subsequent models are named after first file. You can however export to separate folder for each model. Still name will be wrong, but you can rename it. I have no idea how bug this easy to spot got into final version.