[互助]求助，这样的错误怎么解决？

*Global - Messages _BONN6=*y  
  [warning] Left-alt + shift is currently used by the system to toggle the input language. It is also used in some portions of this application, which may cause the input language to change unexpectedly. @n=&muC}  
Coax_Patch (d:/My Documents/Ansoft/) s}-j.jzB{  
  HFSSDesign1 (DrivenModal) #;5Qd'  
    [error] Can not assign solve inside with perfect conductor material. (4:39:32 下午  七月 14 .. (P=WKZMPN  
It<VjN9  

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为什么要在PEC里求解电磁场？？？  0LU

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把你仿真的模型上传上来看一下吧