[Owncloud] Onwcloud 4.0.6 upgrade error

[Mathieu GIANNECCHINI]

Hello,

I've just installed Owncloud 4.0.6 on a 4.0.5 version and upgrade failed

On apache log i've :
[Thu Aug 02 10:04:05 2012] [error] [client 129.102.242.89] PHP Warning:  
SQLite3::query(): Unable to prepare statement: 5, database is locked in 
/srv/www/owncloud/lib/MDB2/Driver/sqlite3.php on line 495

[Thu Aug 02 10:19:09 2012] [error] [client 129.102.242.89] PHP Fatal 
error:  Uncaught exception 'PDOException' with message 'SQLSTATE[HY000]: 
General error: 5 database is locked' in 
/srv/www/owncloud/lib/db.php:598\nStack trace:\n#0 
/srv/www/owncloud/lib/db.php(598): PDOStatement->execute(Array)\n#1 
/srv/www/owncloud/apps/files/appinfo/update.php(10): 
PDOStatementWrapper->execute(Array)\n#2 
/srv/www/owncloud/lib/app.php(572): include('/srv/www/ownclo...')\n#3 
/srv/www/owncloud/lib/app.php(518): OC_App::updateApp('files')\n#4 
/srv/www/owncloud/lib/base.php(243): OC_App::updateApps()\n#5 
/srv/www/owncloud/lib/base.php(393): OC::checkUpgrade()\n#6 
/srv/www/owncloud/lib/base.php(497): OC::init()\n#7 
/srv/www/owncloud/remote.php(4): require_once('/srv/www/ownclo...')\n#8 
{main}\n  thrown in /srv/www/owncloud/lib/db.php on line 598


Can anybody help me to solve this issue ?

Thanks

Mathieu