model_diagnostics says
MODEL_DIAGNOSTICS: The Jacobian of the static model contains Inf or NaN. The problem arises from:
Derivative of Equation 4 with respect to Variable s (initial value of s: 1)
Derivative of Equation 9 with respect to Variable s (initial value of s: 1)
Derivative of Equation 10 with respect to Variable s (initial value of s: 1)
Looking at the equation, you have (s^(1-eta))^(1/(1-eta)) which is a limit the computer cannot compute. See your old post at Error message: The Jacobian contains Inf or NaN