Serilog WriteToMSSqlServer With Custom, Non-Nullable Columns

Question

Using Serilog (Serilog.AspNetCore v2.1.1, Serilog.Filters.Expressions v2.0.0, Serilog.Settings.Configuration v3.0.1, Serilog.Sinks.MSSqlServer v5.1.3) with a Net Core applic