When I use workflow app in monday.com it is not working properly after design section when I go to configure and set required column and permissions it will not apply in the board, without filling required column I can change status. I have attached the image of workflow app that I am using.
Hey @Tanzeela!
For any external app related issues/questions, please email the app developer 
The developers of Worklow are Spot-nik, you can contact them via support@spot-nik.com. Please let us know if you have any issues getting in contact!