anchor.diff:              let wishList = getWishListFromDB token.UserName
               return! Successful.OK (JsonConvert.SerializeObject wishList) ctx
           with exn ->
  -            let logger = Log.create "FableSample"
               logger.error (eventX "SERVICE_UNAVAILABLE" >> addExn exn)
               return! SERVICE_UNAVAILABLE "Database not available" ctx
       })
  
positive.code: open ServerCode.Domain
  open Suave.Logging
  open Suave.Logging.Message
  
  
  /// The default initial data 
  
negative.code:                     return! Successful.OK (JsonConvert.SerializeObject wishList) ctx
                  else
                      return! BAD_REQUEST "WishList is not valid" ctx
          with exn ->
              logger.error (eventX "Database not available" >> addExn exn)
              return! SERVICE_UNAVAILABLE "Database not available" ctx
      })    