Models containing enum values throw Can't write CLR type #105

I get the exception while trying to write to DB any data containing enums mapped to DB as ints (C# classes use enums in model classes and DB use INTEGER)
Can't write CLR type ReportServerORM.Model.TransactionCodeState with handler type Int32Handler

https://github.com/purple-technology/EFE-issue

• update the connection string in TestingORM/DAL/TestingContext.cs
• generate DB using the following command in Package Manager Console in VS
  EntityFramework\update-database -ProjectName TestingORM -StartUpProjectName TestingORM -Verbose
• run - the exception is thrown