I was trying to use Joomla IP.Converge Module on clear joomla installation. The installation process went fine but:
1) login in in Joomla returns:
This e-mail is already registered. If you forgot your password, click on the Forgot your password link and a new password will be sent to you.
Invalid Session
http://test.mage.pl//converge_local/converge.php?postlogin=1&cookies=1&session_id=&member_id=&key=3685a0092b926e800dd23b8176171070&product_id=7
http://test.mage.pl/converge_local/converge.php?postlogin=1&cookies=1&session_id=&member_id=&key=3685a0092b926e800dd23b8176171070&product_id=7