I updated to 1.0 final. that solved my problem. I think, notify- was broken in RC4. Maybe, you also must activate the notify-plugin.
Be sure to export your tv-transmitters and groups (tv-server-config), to be able to import them again after upgrading to MP 1.0 final.
Be sure to export your tv-transmitters and groups (tv-server-config), to be able to import them again after upgrading to MP 1.0 final.