求助：HFSS仿平面螺旋天线出现错误

苍月

我在analyze时，运行的剖分时出现了下列错误，该如何解决啊？
E_spiral1 (C:/Documents and Settings/hd/My Documents/Ansoft/)
  HFSSModel1
    [info] Simulation completed with execution error on server: Local Machine. (1:26 下午  三月 30, 2006)
    [error]  Initial mesh, process mesh3d: Error in solid id assignment. This could be due to :   
1. Error in surface recovery in mesh generation.   
2. Inverted/Inconsistent face normals of the bodies.   
3. Cracked edges or holes in the surface definition of solids.   
2 bodies are defective in this respect
They are  "spiral1"  "spiral2"  unnamed  **  %4 (1:26 下午  三月 30, 2006)