An exception occured while bootstrapping the application.

Configuration array must have a key for 'dbname' that names the database instance
Stack Trace:
#0 /var/www/html/ibs89v3.1new/library/Zend/Db/Adapter/Abstract.php(183): Zend_Db_Adapter_Abstract->_checkRequiredOptions(Array)
#1 /var/www/html/ibs89v3.1new/library/Zend/Db.php(265): Zend_Db_Adapter_Abstract->__construct(Array)
#2 /var/www/html/ibs89v3.1new/www/index.php(377): Zend_Db::factory(Object(Zend_Config))
#3 {main}