Create if the thing doesn't exist "yes"

Need help Database
1

Hello every one I have a little problem

Some one know how can i turn this to “yes” ?

Capture d’écran 2021-08-26 à 14.53.51
Capture d’écran 2021-08-26 à 14.53.512560×1600 285 KB

Thank you for you answer

2

Check now. it will work.