Is it possible to import a model from sketchfab plugin or site directly into the scene

I apologize for the English, because I am writing through a translator. When importing a model using the sketchfab plugin, all content is imported as separate objects, and it will take a very long time to arrange them manually. If I import with the merge meshes checkbox, then when baking the light, I get a warning UV are overlapping by 100.0%. Please adjust content - Enable Error Coloring to visualize and the light is baked with countless artifacts. I would like to know if it is possible to import all objects at once into the scene?

you could use BLENDER software to join all the mesh together then import the model as a .OBJ then on unreal engine the mesh sould be 1 and unique model and not all separate

Thanks for the suggestion, I thought about it, but then again you have to manually assign 90+ materials, and a new warning will appear on import: No importance volume found and the scene is so large that the automatically synthesized volume will not yield good results. Please add a tightly bounding lightmass importance volume to optimize your scene’s quality and lighting build times. If you bake the light, it will be very unnatural and with artifacts. But I found a workaround: without baking the light, place a lightmass importance volume on the scene and stretch it over the entire model. Then you get a very acceptable result.