The route template separator character '/' cannot appear consecutively - Attribute routing issue

Question

The configuration has nothing to do with the error

This is my configuration for the Web API in App_Start/WebApiConfig.cs:

public static void Register(H         


        

Answer 1

I've got the same error with two (or more) slashes.

[Route("marketdata//tickerinfo")]

It's easy to happen when you change the string.