Critical Error

exception 'PDOException' with message 'SQLSTATE[HY093]: Invalid parameter number: no parameters were bound' in /home/acquaworld/public_html/library/Zend/Db/Statement/Pdo.php:228
Stack trace:
#0 /home/acquaworld/public_html/library/Zend/Db/Statement/Pdo.php(228): PDOStatement->execute(Array)
#1 /home/acquaworld/public_html/library/Zend/Db/Statement.php(303): Zend_Db_Statement_Pdo->_execute(Array)
#2 /home/acquaworld/public_html/library/Zend/Db/Adapter/Abstract.php(480): Zend_Db_Statement->execute(Array)
#3 /home/acquaworld/public_html/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query(Object(Zend_Db_Table_Select), Array)
#4 /home/acquaworld/public_html/library/Zend/Db/Select.php(690): Zend_Db_Adapter_Pdo_Abstract->query(Object(Zend_Db_Table_Select))
#5 /home/acquaworld/public_html/library/Zend/Paginator/Adapter/DbSelect.php(142): Zend_Db_Select->query(2)
#6 /home/acquaworld/public_html/library/Zend/Paginator/Adapter/DbSelect.php(183): Zend_Paginator_Adapter_DbSelect->setRowCount(Object(Zend_Db_Table_Select))
#7 [internal function]: Zend_Paginator_Adapter_DbSelect->count()
#8 /home/acquaworld/public_html/library/Zend/Paginator.php(534): count(Object(Zend_Paginator_Adapter_DbTableSelect))
#9 /home/acquaworld/public_html/library/Zend/Paginator.php(751): Zend_Paginator->getTotalItemCount()
#10 /home/acquaworld/public_html/library/App/Factory.php(63): Zend_Paginator->setItemCountPerPage(0)
#11 /home/acquaworld/public_html/application/modules/courses/models/Model.php(81): App_Factory::paginator(Object(Zend_Db_Table_Select), 1, 0)
#12 /home/acquaworld/public_html/application/modules/aquaworld/controllers/IndexController.php(91): Courses_Model_Model->getCoursesListByFeaturedItemId(NULL)
#13 /home/acquaworld/public_html/library/Zend/Controller/Action.php(516): Aquaworld_IndexController->coursepageAction()
#14 /home/acquaworld/public_html/library/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('coursepageActio...')
#15 /home/acquaworld/public_html/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#16 /home/acquaworld/public_html/library/Zend/Application/Bootstrap/Bootstrap.php(105): Zend_Controller_Front->dispatch()
#17 /home/acquaworld/public_html/library/Zend/Application.php(384): Zend_Application_Bootstrap_Bootstrap->run()
#18 /home/acquaworld/public_html/www/index.php(54): Zend_Application->run()
#19 {main}

Next exception 'Zend_Db_Statement_Exception' with message 'SQLSTATE[HY093]: Invalid parameter number: no parameters were bound, query was: SELECT COUNT(1) AS `zend_paginator_row_count` FROM `m_courses` WHERE (status <> 'deleted') AND (hidden = 0) AND (featured_item_id = ?)' in /home/acquaworld/public_html/library/Zend/Db/Statement/Pdo.php:235
Stack trace:
#0 /home/acquaworld/public_html/library/Zend/Db/Statement.php(303): Zend_Db_Statement_Pdo->_execute(Array)
#1 /home/acquaworld/public_html/library/Zend/Db/Adapter/Abstract.php(480): Zend_Db_Statement->execute(Array)
#2 /home/acquaworld/public_html/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query(Object(Zend_Db_Table_Select), Array)
#3 /home/acquaworld/public_html/library/Zend/Db/Select.php(690): Zend_Db_Adapter_Pdo_Abstract->query(Object(Zend_Db_Table_Select))
#4 /home/acquaworld/public_html/library/Zend/Paginator/Adapter/DbSelect.php(142): Zend_Db_Select->query(2)
#5 /home/acquaworld/public_html/library/Zend/Paginator/Adapter/DbSelect.php(183): Zend_Paginator_Adapter_DbSelect->setRowCount(Object(Zend_Db_Table_Select))
#6 [internal function]: Zend_Paginator_Adapter_DbSelect->count()
#7 /home/acquaworld/public_html/library/Zend/Paginator.php(534): count(Object(Zend_Paginator_Adapter_DbTableSelect))
#8 /home/acquaworld/public_html/library/Zend/Paginator.php(751): Zend_Paginator->getTotalItemCount()
#9 /home/acquaworld/public_html/library/App/Factory.php(63): Zend_Paginator->setItemCountPerPage(0)
#10 /home/acquaworld/public_html/application/modules/courses/models/Model.php(81): App_Factory::paginator(Object(Zend_Db_Table_Select), 1, 0)
#11 /home/acquaworld/public_html/application/modules/aquaworld/controllers/IndexController.php(91): Courses_Model_Model->getCoursesListByFeaturedItemId(NULL)
#12 /home/acquaworld/public_html/library/Zend/Controller/Action.php(516): Aquaworld_IndexController->coursepageAction()
#13 /home/acquaworld/public_html/library/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('coursepageActio...')
#14 /home/acquaworld/public_html/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#15 /home/acquaworld/public_html/library/Zend/Application/Bootstrap/Bootstrap.php(105): Zend_Controller_Front->dispatch()
#16 /home/acquaworld/public_html/library/Zend/Application.php(384): Zend_Application_Bootstrap_Bootstrap->run()
#17 /home/acquaworld/public_html/www/index.php(54): Zend_Application->run()
#18 {main}