Can't Meshing Sphere Enclosure
 

i modelling for external flow, i made a sphere enclosure and a solid part inside the enclosure. when i meshed it, the solid part can be meshed. but i dont know, why the enclosure cant be meshed with any meshing method. so can you suggest me how to mesh the sphere enclosure ? the error message is shown in this picture.. thank you very much.. smile emoticon your answer will be appreciated.. smile emoticonhttp://scontent-sin1-1.xx.fbcdn.net/...72&oe=56A44BFA

cant see the attached picture