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@skfabby
Dear,
Could you please open ticket and report following bug/issue for UEFN. Please help.

Bug / Issue UEFN:
1- Import the “Mechanical.fbx” file and all associated textures into “UEFN”.
2- Open the “F_MED_Mechanical_Engineer_Body_T1” material, apply the texture, then click Apply and Save.
3- Issue: The “F_MED_Mechanical_Engineer_mo” Skeletal Mesh is not updating with the new texture and is displaying in grey color.
4- Note: This was working correctly last month, and the Skeletal Mesh was updating with the new texture as expected.

I use following steps instructions using youtube:

How to import 3D Models into UEFN - Creative 2.0 Fortnite

Note: Above instruction was working before new season. Skeletal Mesh is not updating with the new texture after updating the Material.

Thank you for your support.
Jack