请教HFSS运行问题

请问高手：出现以下问题怎么处理deministrator/桌面/) 6"~P/\jP  
     [error] Port refinement, process abc3d : There are no tetrahedral faces assigned to boundary "PerfE1".  Since boundary operations are order dependent, please check to make certain that this boundary is not being ignored because of other operations on the same surface.  It is recommended that you redefine the boundary in question. (2:53 下午  四月 15, 2009) h&--,A >  
    [error] Simulation completed with execution error on ser .. E;+O($bA  
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请问大侠：我在作同轴连接器仿真的时候，出现了以下问题怎么处理啊，急死啦！ w-Da~[J  
    [error] Port refinement, process abc3d : There are no tetrahedral faces assigned to boundary "PerfE1".  Since boundary operations are order dependent, please check to make certain that this boundary is not being ignored because of other operations on the same surface.  It is recommended that you redefine the boundary in question. (2:53 下午  四月 15, 2009) v"#mzd.tW  
    [error] Simulation completed with execution error on server: Local Machine. (2:53 下午  四月 15, 2009)