Symptom
When you try to import data with Quandl Data Source Extension, you’ll get
Error : {"quandl_error":{"code":"QEPx04","message":"You must confirm your email address before accessing data. Please check your inbox for a confirmation email from us."}}
How to fix
Please upgrade your data source extension to latest version 0.3.3
And Install or Update Quandl Extension
So please Sign Up (it’s free) to Quandl
Then after you get your API key, please set the API Key to the new Input Field on the Import Dialog