ADS Optimize erroe

[Dummyeng]

Hi
i faced with this error every day and i think there is a bug in ADS opt
why?
because i solve it in different condition for ex one time i clean opt only and i put that again and this work for but some times not
this is my error
i cant optimize my design but i can tune it and simulate it

Error detected by hpeesofsim during Nominal Optimization Optim1'.
OptimGoal/YieldSpec result value not valid.
Error detected by hpeesofsim during Nominal Optimization Optim1'.
Optim1[1]': circuit simulation fails.
Error detected by hpeesofsim during Nominal Optimization Optim1'.
Optim1[1] can't do cost evaluation.
Error detected by hpeesofsim during Nominal Optimization Optim1'.

 

[albbg]

Please, post the circuit as well as the goals you want to reach and the equations involved (if anY).

 

[Dummyeng]

Please, post the circuit as well as the goals you want to reach and the equations involved (if anY).

here is my schematic

https://www.edaboard.com/threads/pa-impedance-matching.396565/

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