PDOException (#27562)

[22-Oct-2014 17:12:25 Europe/Zurich] PHP Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000]: General error: 1205 Lock wait timeout exceeded; try restarting transaction' in /home/peat/www/quiqqer/packages/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php:402 Stack trace: #0 /home/peat/www/quiqqer/packages/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php(402): PDOStatement->execute() #1 (closed) /home/peat/www/quiqqer/packages/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/Proxy/SessionHandlerProxy.php(61): Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler->close() #2 (closed) [internal function]: Symfony\Component\HttpFoundation\Session\Storage\Proxy\SessionHandlerProxy->close() #3 (closed) [internal function]: session_write_close() #4 (closed) {main} thrown in /home/peat/www/quiqqer/packages/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php on line 402