Parts or assemblies that contain divided surfaces are supported in NC, CMM, Mold Design and Casting, and partially supported in Manufacturing Process Planning, Expert Machinist and Sheet Metal Manufacturing. Note that you should avoid using such parts or assemblies in Sheet Metal Manufacturing, Manufacturing Process Planning, and Expert Machinist in Creo 9.0.0.0. The complete support for parts or assemblies containing divided surfaces in Sheet Metal Manufacturing, Manufacturing Process Planning, and Expert Machinist will be available in a future release.