ASP.Net 3.1 : Error after updating Nuget Package

I am having Asp.Net 3.1 application, and I am getting error After updating my nuget packages 'Microsoft.EntityFrameworkCore' in below line as

'The specified field '_redirectUris' cannot be used for the property 'ClientApplication.RedirectUrisList' because it does not match the property name.'

modelBuilder.Entity<TestApplication>().Property<string>("RedirectUrisList").HasField("_redirectUris");