unable to resolve "'UnityEditor.iOS.Extensions.Xcode'"

.i am using unity 2020. I am working on upgrade of my android app. suddenly an error occur…
Unable to resolve reference ‘UnityEditor.iOS.Extensions.Xcode’… i dont know. the reason , because i never work on ios. I am working on Win10 and my app is only for android plateform. If someone has any idea, plz help me,

Adding ios module from unity HUB solved my problem.

Adding iOS build support form unity hub.