Many (20+) Empty Material ID created for Skeletal Mesh

Development Rendering
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Okay , I attempted to investigate this further. And more strange voodoo ensue :

  1. I migrated the related asset to a new Blank project. Out of sudden , all the skeletal mesh become undiscoverable. ( note that I DID brought along the skeleton as well as I used the Migrate function )… I deleted textures and materials and I zipped it. Thre’s absolutely no way to make them appear in content browser. I’ve checked the folder with the original project it appears that the file size is same. link text

  2. I exported the FBX, and checked in max. still 3mat id. reimported… 29 material ID.
    I am uploading this as well.The file size is bigger than 5MB hence i’m uploading it on Gdrive.

here’s the FBX files.
https://drive.google.com/file/d/0BxtxUFU725XrOFN2aVJWUXdjU2M/view?usp=sharing