[互助]ADS原理图仿真优化失败，提示无法估算成本，怎么解决？

下面是提示消息： >n^[-SWJCT  
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Simulation Messages -$m?ShDd  
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Error detected by hpeesofsim during Nominal Optimization `Optim1'. AilfeHG  
    Optimization/Statistics Error: Please check for valid `Expr' field in OptimGoal/YieldSpec item F|t_&$Is?  
    Check the following device: i(@<KH  
    OptimGoal1 *<nfA}  
Error detected by hpeesofsim during Nominal Optimization `Optim1'. (N25.}8Y  
    'Optim1[1]': circuit simulation fails. [O"8Tzr  
Error detected by hpeesofsim during Nominal Optimization `Optim1'. =C.WM*='  
    Optim1[1] can't do cost evaluation. =3?"s(9  
Error detected by hpeesofsim during Nominal Optimization `Optim1'. fKZgAISF  
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Status / Summary !4l\*L  
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hpeesofsim (*) 510.shp Jul 22 2019, MINT version 5 mjz<,s`D  
    (64-bit windows built: Mon Jul 22, 2019 22:53:59 +0000) lKF<]25  
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OPTIM Optim1[1] <LX_lib:DA_SmithChartMatch_LX:schematic>  optIter=(0->100) [r5k8TB1  
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SP Optim1[1].SP1[0] <LX_lib:DA_SmithChartMatch_LX:schematic>  optIter=0  freq=(1 GHz->2 GHz) #yVMC;J?W  
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------------------------------------------------------------------------------- %/x%hs;d  
Simulation finished with errors. YKsc[~ h  
------------------------------------------------------------------------------- wk"zpI7L  
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Resource usage: hPHrq{YZ  
  Total stopwatch time     =    .. h8lI#Gs  
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