Can't open clamav database

[riegerrobin]

Hey,

how do i fix this:

19/03/2009 07:48:58 === Starting HAVP Version: 0.88
19/03/2009 07:48:58 === Mandatory locking disabled! KEEPBACK settings not used!
19/03/2009 07:48:58 Running as user: havp, group: havp
19/03/2009 07:48:58 –- Initializing ClamAV Library Scanner
19/03/2009 07:48:58 ClamAV: Using database directory: /var/db/clamav
19/03/2009 07:48:58 ClamAV: Could not load database: Not supported data format
19/03/2009 07:48:58 Error initializing ClamAV Library Scanner!
19/03/2009 07:49:06 === Starting HAVP Version: 0.88
19/03/2009 07:49:06 === Mandatory locking disabled! KEEPBACK settings not used!
19/03/2009 07:49:06 Running as user: havp, group: havp
19/03/2009 07:49:06 --- Initializing ClamAV Library Scanner
19/03/2009 07:49:06 ClamAV: Using database directory: /var/db/clamav
19/03/2009 07:49:06 ClamAV: Could not load database: Not supported data format
19/03/2009 07:49:06 Error initializing ClamAV Library Scanner!

Cheers
Robin

[dvserg]

Refresh AV database from gui and checknew