Monitoring Plugin dont Work


I have this problem on my Openfire:

A few weeks ago the monitoring plugin stop working, i tried everything, reinstall, uninstall and install again, update the openfire software andd the plugin but nothing works…(after test i restore de original version of the instalation)

When i open the arquivement and search for any conversation he only swos the log of yesterday and qhen i selecte one conversation a pop-up appers with the number ‘0’ and nothing happens…

Windows Server 2003, OpenFire 3.7.0, Monitoring Plugin 1.1.1 and the database is a local installation of Ms SQL 2008

Any tips?