[SR-Users] pua 'Could not convert temporary dialog into a dialog' error

when testing presence/rls, i'm getting a pua error when presence server handles subscribe: Sep 8 20:36:12 siika /usr/sbin/pres-serv[22932]: INFO: Handling SUBSCRIBE <sip:test@test.fi> Sep 8 20:36:12 siika /usr/sbin/pres-serv[22932]: INFO: Routing locally generated NOTIFY to <sip:rls@127.0.0.1:5082;transport=tcp> Sep 8 20:36:12 siika /usr/sbin/pres-serv[22932]: INFO: presence [notify.c:1581]: NOTIFY sip:jh@test.fi via sip:rls@127.0.0.1:5082;transport=tcp on behalf of sip:test@test.fi for event presence Sep 8 20:36:12 siika /usr/sbin/pres-serv[22931]: INFO: <core> [tcp_main.c:2787]: quick connect for 0x7f7114cfa490 Sep 8 20:36:12 siika /usr/sbin/pres-serv[22933]: ERROR: pua [send_subscribe.c:689]: Could not convert temporary dialog into a dialog what does pua error message 'Could not convert temporary dialog into a dialog' mean? when does it happen? -- juha