The following error occurred:

exception 'ZendX_Db_Adapter_Firebird_Exception' with message 'Your user name and password are not defined. Ask your database administrator to set up a Firebird login. ' in /home/sieweb/webpg/appweb/library/ZendX/Db/Adapter/Firebird.php:316
Stack trace:
#0 /home/sieweb/webpg/appweb/library/Zend/Db/Adapter/Abstract.php(918): ZendX_Db_Adapter_Firebird->_connect()
#1 /home/sieweb/webpg/appweb/library/Zend/Db/Adapter/Abstract.php(988): Zend_Db_Adapter_Abstract->quote('ano', NULL)
#2 /home/sieweb/webpg/appweb/library/ZendX/Db/Adapter/Firebird.php(193): Zend_Db_Adapter_Abstract->quoteInto('(LOWER(RF.RDB$R...', 'ano')
#3 /home/sieweb/webpg/appweb/library/Zend/Db/Table/Abstract.php(707): ZendX_Db_Adapter_Firebird->describeTable('ano', NULL)
#4 /home/sieweb/webpg/appweb/library/Zend/Db/Table/Abstract.php(733): Zend_Db_Table_Abstract->_setupMetadata()
#5 /home/sieweb/webpg/appweb/library/Zend/Db/Table/Abstract.php(772): Zend_Db_Table_Abstract->_getCols()
#6 /home/sieweb/webpg/appweb/library/Zend/Db/Table/Abstract.php(854): Zend_Db_Table_Abstract->_setupPrimaryKey()
#7 /home/sieweb/webpg/appweb/library/Zend/Db/Table/Select.php(100): Zend_Db_Table_Abstract->info()
#8 /home/sieweb/webpg/appweb/library/Zend/Db/Table/Select.php(78): Zend_Db_Table_Select->setTable(Object(CitDb))
#9 /home/sieweb/webpg/appweb/library/Zend/Db/Table/Abstract.php(888): Zend_Db_Table_Select->__construct(Object(CitDb))
#10 /home/sieweb/webpg/appweb/application/core/models/CitDb.php(143): Zend_Db_Table_Abstract->select()
#11 /home/sieweb/webpg/appweb/application/Initializer.php(7313): CitDb->db_existe_tabla('control_manteni...')
#12 /home/sieweb/webpg/appweb/application/Initializer.php(6951): Initializer->verificaTiempoMantenimiento(Object(Zend_Session_Namespace), 'default')
#13 /home/sieweb/webpg/appweb/library/Zend/Controller/Plugin/Broker.php(308): Initializer->preDispatch(Object(Zend_Controller_Request_Http))
#14 /home/sieweb/webpg/appweb/library/Zend/Controller/Front.php(923): Zend_Controller_Plugin_Broker->preDispatch(Object(Zend_Controller_Request_Http))
#15 /home/sieweb/webpg/appweb/application/bootstrap.php(144): Zend_Controller_Front->dispatch()
#16 /home/sieweb/webpg/html/santaangela/index.php(8): require('/home/sieweb/we...')
#17 {main}