How to get rid of double Parentheses of the equation number

How to get rid of double Parentheses of the equation number, I appear like ((1)) , and I want it to be single like (1)

usepackage{patches}    
usepackage[font=small,labelfont=bf]{caption}    
usepackage{siunitx}    
usepackage{amsmath}    
usepackage{lipsum}    
usepackage{tabstackengine}    
usepackage{float}

begin{equation}
Oh_d =frac{A_d}{sqrt{B_d; R_d ; C_d}},
label{Eq_1}
end{equation}