Omeka has encountered an error

Zend_Db_Statement_Mysqli_Exception

Mysqli statement execute error : Got error 122 from storage engine

#0 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Zend/Db/Statement.php(300): Zend_Db_Statement_Mysqli->_execute(Array)
#1 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Zend/Db/Adapter/Abstract.php(479): Zend_Db_Statement->execute(Array)
#2 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Zend/Db/Adapter/Abstract.php(755): Zend_Db_Adapter_Abstract->query(Object(Omeka_Db_Select), Array)
#3 [internal function]: Zend_Db_Adapter_Abstract->fetchRow(Object(Omeka_Db_Select), Array)
#4 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Omeka/Db.php(83): call_user_func_array(Array, Array)
#5 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Omeka/Db/Table.php(500): Omeka_Db->__call('fetchRow', Array)
#6 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Omeka/Db/Table.php(500): Omeka_Db->fetchRow(Object(Omeka_Db_Select), Array)
#7 /home/thechi13/public_html/uccdigitalcollections.ca/application/models/CollectionTable.php(64): Omeka_Db_Table->fetchObject(Object(Omeka_Db_Select))
#8 /home/thechi13/public_html/uccdigitalcollections.ca/application/helpers/CollectionFunctions.php(309): CollectionTable->findRandomFeatured()
#9 /home/thechi13/public_html/uccdigitalcollections.ca/themes/rhythm/custom.php(149): random_featured_collection()
#10 /home/thechi13/public_html/uccdigitalcollections.ca/themes/rhythm/index.php(15): rythym_home_display_most_recent_collection()
#11 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Omeka/View.php(113): include('/home/thechi13/...')
#12 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Zend/View/Abstract.php(888): Omeka_View->_run('/home/thechi13/...')
#13 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(900): Zend_View_Abstract->render('index.php')
#14 /home/thechi13/public_html/uccdigitalcollections.ca/application/controllers/IndexController.php(24): Zend_Controller_Action_Helper_ViewRenderer->renderScript('index.php')
#15 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Zend/Controller/Action.php(516): IndexController->indexAction()
#16 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Zend/Controller/Dispatcher/Standard.php(295): Zend_Controller_Action->dispatch('indexAction')
#17 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#18 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Zend/Application/Bootstrap/Bootstrap.php(97): Zend_Controller_Front->dispatch()
#19 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Zend/Application.php(366): Zend_Application_Bootstrap_Bootstrap->run()
#20 /home/thechi13/public_html/uccdigitalcollections.ca/application/libraries/Omeka/Core.php(165): Zend_Application->run()
#21 /home/thechi13/public_html/uccdigitalcollections.ca/index.php(28): Omeka_Core->run()
#22 {main}