Cant find Fix, all my Skeletal Meshes are Jagged, Default ones too when place at World -

Hey Guys i have an really weird Bug , like when i Place in my World Skeletal Meshes they all totally jagged looking like deformed Displacement Maps on the entire Mesh.

it makes me Crazy, when i Use the Scene Lighting and Copy it to Default Map and place there my Meshes its FINE.

anyone ever saw something like this before?.. makes me CRAZY.

Hope someone can help me… thanks!