public partial class ProfitCalculatorDataBaseContext : DbContext
{
    public ProfitCalculatorDataBaseContext()
    {
    }

    public ProfitCalculatorDataBaseContext(DbContextOptions<ProfitCalculatorDataBaseContext> options)
        : base(options)
    {
    }

    public virtual DbSet<Order> Orders { get; set; }

    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
#warning To protect potentially sensitive information in your connection string, you should move it out of source code. You can avoid scaffolding the connection string by using the Name= syntax to read it from configuration - see https://go.microsoft.com/fwlink/?linkid=2131148. For more guidance on storing connection strings, see https://go.microsoft.com/fwlink/?LinkId=723263.
        => optionsBuilder.UseSqlite("Data Source= E:\\VS Projects\\ProfitCalculator\\ProfitCalculator\\DataBase\\ProfitCalculatorDataBase.db");

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        modelBuilder.Entity<Order>(entity =>
        {
            entity.Property(e => e.Id).HasColumnName("id");
            entity.Property(e => e.Data).HasColumnName("data");
        });

        OnModelCreatingPartial(modelBuilder);
    }

    partial void OnModelCreatingPartial(ModelBuilder modelBuilder);
}

public partial class ProfitCalculatorDataBaseContext : DbContext
{
    public ProfitCalculatorDataBaseContext()
    {
    }

    public ProfitCalculatorDataBaseContext(DbContextOptions<ProfitCalculatorDataBaseContext> options)
        : base(options)
    {
    }

    public virtual DbSet<Order> Orders { get; set; }

    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
#warning To protect potentially sensitive information in your connection string, you should move it out of source code. You can avoid scaffolding the connection string by using the Name= syntax to read it from configuration - see https://go.microsoft.com/fwlink/?linkid=2131148. For more guidance on storing connection strings, see https://go.microsoft.com/fwlink/?LinkId=723263.
        => optionsBuilder.UseSqlite("Data Source= E:\\VS Projects\\ProfitCalculator\\ProfitCalculator\\DataBase\\ProfitCalculatorDataBase.db");

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        modelBuilder.Entity<Order>(entity =>
        {
            entity.Property(e => e.Id).HasColumnName("id");
            entity.Property(e => e.Data).HasColumnName("data");
        });

        OnModelCreatingPartial(modelBuilder);
    }

    partial void OnModelCreatingPartial(ModelBuilder modelBuilder);
}

System.InvalidOperationException: "The instance of entity type 'Order' cannot be tracked because another instance with the same key value for {'Id'} is already being tracked. When attaching existing entities, ensure that only one entity instance with a given key value is attached. Consider using 'DbContextOptionsBuilder.EnableSensitiveDataLogging' to see the conflicting key values."

System.InvalidOperationException: "The instance of entity type 'Order' cannot be tracked because another instance with the same key value for {'Id'} is already being tracked. When attaching existing entities, ensure that only one entity instance with a given key value is attached. Consider using 'DbContextOptionsBuilder.EnableSensitiveDataLogging' to see the conflicting key values."