Unable to get user-sync to work…

Hi,

I have tried to get the user-sync to work with my wordpress sites, but cannot get it to work whatsoever. I have even installed fresh installs of wordpress, incase it was other plugins that were causing the issue. I cannot get this plugin to work at all. I have put the error logs in a zip and sent these to Andrey.

I notice this in the master debug log: <b>Warning</b>: mysql_real_escape_string() expects parameter 1 to be string, object given in <b>/home/mysite/public_html/mydirectory/wp-includes/wp-db.php</b> on line <b>787</b>
. I dont know much about what these errors mean, so any help would be really appreciated.

Many thanks in advance for any kind assistance.