Not sure what is going on. I tried merchant ID as login, that didn't work. Google checkout is setup correctly and bank account verified.
Try taking a look at this article.
http://kb.znode.com/node/162
Znode Administrator email: support@znode.com url: www.znode.com
Google XML
Try taking a look at this article.
http://kb.znode.com/node/162
Znode Administrator
email: support@znode.com
url: www.znode.com