Hello everyone
Brand new to Alteryx here and my first assignment is to connect to SalesForce. Last year when were doing proof of concept we had the following screen for the Salesforce connector:

When I installed Alteryx this year and added the Salesforce connector now the UI does not have a URL field anymore. Instead it has a Environment drop down menu with Production and Sandbox options. This is how the UI looks now:

And as you can see I am getting an error message 400 when I try to connect.
Questions:
1) Am I using the correct connector?
2) Have anyone had this error before and could help figuring out how to go over it?
Thanks in advance
Rodrigo