an unexpected error occured.<h2>Unexpected Exception: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'a' in 'where clause'</h2><br /><pre>#0 /var/www/vhosts/greekrecipes.tv/httpdocs/library/Zend/Db/Statement.php(300): Zend_Db_Statement_Pdo->_execute(Array)
#1 /var/www/vhosts/greekrecipes.tv/httpdocs/library/Zend/Db/Adapter/Abstract.php(468): Zend_Db_Statement->execute(Array)
#2 /var/www/vhosts/greekrecipes.tv/httpdocs/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('SELECT type_con...', Array)
#3 /var/www/vhosts/greekrecipes.tv/httpdocs/library/Zend/Db/Adapter/Abstract.php(725): Zend_Db_Adapter_Pdo_Abstract->query('SELECT type_con...', Array)
#4 /var/www/vhosts/greekrecipes.tv/httpdocs/library/plugins/siteaccessPlugin.php(31): Zend_Db_Adapter_Abstract->fetchRow('SELECT type_con...')
#5 /var/www/vhosts/greekrecipes.tv/httpdocs/library/Zend/Controller/Plugin/Broker.php(309): plugins_siteaccessPlugin->preDispatch(Object(Zend_Controller_Request_Http))
#6 /var/www/vhosts/greekrecipes.tv/httpdocs/library/Zend/Controller/Front.php(941): Zend_Controller_Plugin_Broker->preDispatch(Object(Zend_Controller_Request_Http))
#7 /var/www/vhosts/greekrecipes.tv/httpdocs/index.php(76): Zend_Controller_Front->dispatch()
#8 {main}