SQLSTATE[HY000]: General error: 5 Out of memory (Needed 1043040 bytes)

#0 /var/www/omj/prd/shop/lib/Zend/Db/Statement.php(283): Zend_Db_Statement_Pdo->_execute(Array)
#1 /var/www/omj/prd/shop/lib/Zend/Db/Adapter/Abstract.php(406): Zend_Db_Statement->execute(Array)
#2 /var/www/omj/prd/shop/lib/Zend/Db/Adapter/Pdo/Abstract.php(206): Zend_Db_Adapter_Abstract->query('show tables', Array)
#3 /var/www/omj/prd/shop/lib/Varien/Db/Adapter/Pdo/Mysql.php(230): Zend_Db_Adapter_Pdo_Abstract->query('show tables', Array)
#4 /var/www/omj/prd/shop/lib/Zend/Db/Adapter/Abstract.php(657): Varien_Db_Adapter_Pdo_Mysql->query('show tables', Array)
#5 /var/www/omj/prd/shop/app/code/core/Mage/Core/Model/Mysql4/Session.php(98): Zend_Db_Adapter_Abstract->fetchAssoc('show tables')
#6 /var/www/omj/prd/shop/app/code/core/Mage/Core/Model/Mysql4/Session.php(108): Mage_Core_Model_Mysql4_Session->hasConnection()
#7 /var/www/omj/prd/shop/app/code/core/Mage/Core/Model/Session/Abstract/Varien.php(55): Mage_Core_Model_Mysql4_Session->setSaveHandler()
#8 /var/www/omj/prd/shop/app/code/core/Mage/Core/Model/Session/Abstract/Varien.php(121): Mage_Core_Model_Session_Abstract_Varien->start('frontend')
#9 /var/www/omj/prd/shop/app/code/core/Mage/Core/Model/Session/Abstract.php(52): Mage_Core_Model_Session_Abstract_Varien->init('core', 'frontend')
#10 /var/www/omj/prd/shop/app/code/core/Mage/Core/Model/Session.php(39): Mage_Core_Model_Session_Abstract->init('core', 'frontend')
#11 /var/www/omj/prd/shop/app/code/core/Mage/Core/Model/Config.php(721): Mage_Core_Model_Session->__construct(Array)
#12 /var/www/omj/prd/shop/app/Mage.php(314): Mage_Core_Model_Config->getModelInstance('core/session', Array)
#13 /var/www/omj/prd/shop/app/Mage.php(328): Mage::getModel('core/session', Array)
#14 /var/www/omj/prd/shop/app/code/core/Mage/Core/Controller/Varien/Action.php(380): Mage::getSingleton('core/session', Array)
#15 /var/www/omj/prd/shop/app/code/core/Mage/Core/Controller/Front/Action.php(46): Mage_Core_Controller_Varien_Action->preDispatch()
#16 /var/www/omj/prd/shop/app/code/core/Mage/Core/Controller/Varien/Action.php(342): Mage_Core_Controller_Front_Action->preDispatch()
#17 /var/www/omj/prd/shop/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(163): Mage_Core_Controller_Varien_Action->dispatch('view')
#18 /var/www/omj/prd/shop/app/code/core/Mage/Core/Controller/Varien/Front.php(174): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#19 /var/www/omj/prd/shop/app/Mage.php(447): Mage_Core_Controller_Varien_Front->dispatch()
#20 /var/www/omj/prd/shop/index.php(46): Mage::run()
#21 {main}