❔ Entity Framework relationship problem between entities.

public abstract class Entity
{
     [Key]
     public Int64 Id { get; set; }
     public Boolean IsDeleted { get; set; } = false;

     public String CreatedByUser { get; set; } = string.Empty;
     public String EditedByUser { get; set; } = string.Empty;
     public String DeletedByUser { get; set; } = string.Empty;
    
     public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
     public DateTime EditedAt { get; set; } = DateTime.UtcNow;
     public DateTime DeleteAt { get; set; } = DateTime.UtcNow;
}

public class User : Entity
{
     [Required, StringLength(50)]
     public String Name { get; set; } = string.Empty;

     [Required, StringLength(100)]
     public String LastName { get; set; } = string.Empty;

     [Required, EmailAddress]
     public String EmailAddress { get; set; } = string.Empty;

     [Required]
     public String Password { get; set; } = string.Empty;
}