Hello,

I am using the SOAP API.  When I make the login call https://login.salesforce.com/services/Soap/c/37.0/ I always get the error 'Invalid username, password, security token or user locked out'.

I have changed my password, reset my security token , etc and I still get the error. My username and password (with token) works in the Apex Data Loader. 

How can I get more debug information about what I need to change.   

I have left the portal field empty because we don't have a portal.

Thank You,