Simulation problem at PROTEL99

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andre_luis

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Hi All,

I'm trying to use Protel99 simulator.
After assembling the circuit with schematic SIM library, the only error remaining, is the following :

Code:
Setup Error: GND Spice Reference Net (specified in Analog Options) is not in the schematic.
Setup Error: No source specified for AC Small Signal analysis.

Anybody know how to fix it ?

Regards[]
 

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