Unknown code model parameter** This circuit contains a simple gain block to demonstrate* that the simulator reports an error if the .model card* references a parameter that doesn't exist*.tran 1e-5 1e-3*v1 1 0 0.0 sin(0 1 1k)r1 1 0 1k*a1 1 2 gain_block.model gain_block gain (this_parameter_doesnt_exist=2 gain=10)r2 2 0 1k*.end