Fixing No Default Alternative Specified error in rails
If you spot an error saying No default alternative specified when starting up rails, we can fix that
If when you start up Rails locally you see the message;
Then this means you probably have the Vanity Gem installed in your project.
This is an A/B testing gem, and the error is basically saying that in one of your experiments you have not specified a default. When this happens the first of the alternatives is picked.
For example; if you had the following in an experiement file;
I would expect you to get an error on startup of your Rails server saying;
In order to fix this we simply need to specify a