The value is not pointing on a valid Material slot index.

Hi, I got a skeletal mesh wich got 7 materials, but all 7 are the same, so I fix it, I put in maya just 1 mat and work fine, but in packaging is giving to me this messange

LogSkeletalMesh: Display: [AssetLog] E:\Unreal Projects*************.uasset: Fix LOD 0 Section 0 Material index from 7 to 0. The fallback value is from the LODMaterialMap Override. The value is not pointing on a valid Material slot index.

the skeletal mesh got this icon after I change the amount of materials on mesh

image

I never saw this icon before.

Thnx for the help.