(This is a new post for an old topic that has been previously visited and closed. http://developer.constantcontact.com/node/563 )
I have logins that I can login with interactively that will fail with the api. These logins fail with a 500 and provide no further information. I have other logins that I run through this exact same code that perform flawlessly. Any thoughts or suggestions as to why some logins work and some don't? (I'm doing a post to start the process to pull down custom fields when this happens.)
I'll be glad to provid login information, what I'm posting, etc.