Power BI : System.InvalidOperationException: Showing a modal dialog box or form when the application

We are facing following error when deployed project in IIS, And it is working fine when ran from visual studio.

Error at when calling below method to get AccessToken

return authContext.AcquireToken(this.PowerBiAPI,this.ClientID,newUri(this.RedirectUrl)).AccessToken;

Error is :

System.InvalidOperationException: Showing a modal dialog box or form when the application isnot running in UserInteractive mode isnot a valid operation. Specify the ServiceNotification or DefaultDesktopOnly style to display a notification from a service application. at Microsoft.IdentityModel.Clients.ActiveDirectory.AuthenticationContext.RunAsyncTask[T](Task`1 task) at DSLUI.Controllers.BusinessLogic.ReportService.GetAccessToken()

Here this.ClientID is generated for App Type: Native

web : https://dev.powerbi.com/apps

If anyone have any idea regarding above error, please help us.