Ciao,
this is the openvasmd.log spool:
md main:WARNING:2013-09-17 17h16.51 utc:22870: sql_x: sqlite3_prepare failed: no such table: main.meta
md main:WARNING:2013-09-17 17h18.44 utc:22870: sql_parse_time: Failed to parse time: Wed Aug 21 16:07:49 CEST 2013
..
lib auth: INFO:2013-11-18 00h47.39 utc:4080: Authentication configuration not found.
lib auth: INFO:2013-11-18 00h51.04 utc:4402: Authentication configuration not found.
md main:WARNING:2013-11-18 19h19.27 utc:2877: main: database is already at the supported version
GLib:WARNING:2013-11-18 19h20.09 utc:2878: g_strcompress: trailing \
md main:WARNING:2013-11-18 19h20.10 utc:2878: sql_parse_time: Failed to parse time: Mon Sep 09 11:11:22 CEST 2013
md main:WARNING:2013-11-18 19h20.10 utc:2878: sql_parse_time: Failed to parse time: Mon Sep 09 11:07:49 CEST 2013
...
I don't know why i've logged in 2013-09-17.. i've not installed BB at that time..

this is the openvasad.log spool:
lib auth: INFO:2013-11-18 00h17.27 CET:4127: Authentication configuration not found.
lib auth: INFO:2013-11-18 00h21.16 CET:4309: Authentication configuration not found.
lib auth: INFO:2013-11-18 00h42.22 CET:12154: Authentication configuration not found.
lib auth: INFO:2013-11-18 00h52.32 CET:12406: Authentication configuration not found.
Ciao