Residuals of the static equations

I solve a model and write code but when run receive following error:

heck whether your model in truly linear

Residuals of the static equations:

Equation number 1 : 0
Equation number 2 : 0
Equation number 3 : 0
Equation number 4 : NaN
Equation number 5 : 0
Equation number 6 : NaN
Equation number 7 : NaN
Equation number 8 : NaN
Equation number 9 : NaN
Equation number 10 : NaN
Equation number 11 : 0
Equation number 12 : NaN
Equation number 13 : 0
Equation number 14 : 0

please help
thanks!
stock.mod (2 KB)

You need to move the definition of A=1 before you use A in

Apart from this, you are neglecting Dynare’s timing convention for predetermined states like capital. See the manual.