Omeka has encountered an error

RuntimeException

The configured PHP path (/usr/bin/php-cli) is invalid.

exception 'RuntimeException' with message 'The configured PHP path (/usr/bin/php-cli) is invalid.' in /home/claremon/public_html/activism/application/libraries/Omeka/Job/Process/Dispatcher.php:114
Stack trace:
#0 /home/claremon/public_html/activism/application/libraries/Omeka/Job/Process/Dispatcher.php(93): Omeka_Job_Process_Dispatcher::_checkCliPath('/usr/bin/php-cl...')
#1 /home/claremon/public_html/activism/application/libraries/Omeka/Job/Process/Dispatcher.php(28): Omeka_Job_Process_Dispatcher::getPHPCliPath()
#2 /home/claremon/public_html/activism/application/libraries/Omeka/Job/Dispatcher/Adapter/BackgroundProcess.php(31): Omeka_Job_Process_Dispatcher::startProcess('Omeka_Job_Proce...', NULL, Array)
#3 /home/claremon/public_html/activism/application/libraries/Omeka/Job/Dispatcher/Default.php(150): Omeka_Job_Dispatcher_Adapter_BackgroundProcess->send('{"className":"C...', Array)
#4 /home/claremon/public_html/activism/plugins/CdmLink/CdmLinkPlugin.php(124): Omeka_Job_Dispatcher_Default->sendLongRunning('CdmLink_SyncJob', Array)
#5 [internal function]: CdmLinkPlugin->hookPublicHead(Array)
#6 /home/claremon/public_html/activism/application/libraries/Omeka/Plugin/Broker.php(157): call_user_func(Array, Array)
#7 /home/claremon/public_html/activism/application/libraries/globals.php(188): Omeka_Plugin_Broker->callHook('public_head', Array)
#8 /home/claremon/public_html/activism/themes/avantgarde/common/header.php(20): fire_plugin_hook('public_head', Array)
#9 /home/claremon/public_html/activism/application/libraries/Omeka/View.php(117): include('/home/claremon/...')
#10 /home/claremon/public_html/activism/application/libraries/Zend/View/Abstract.php(888): Omeka_View->_run('/home/claremon/...')
#11 /home/claremon/public_html/activism/application/libraries/Zend/View/Helper/Partial.php(109): Zend_View_Abstract->render('common/header.p...')
#12 [internal function]: Zend_View_Helper_Partial->partial('common/header.p...', Array)
#13 /home/claremon/public_html/activism/application/libraries/Zend/View/Abstract.php(350): call_user_func_array(Array, Array)
#14 /home/claremon/public_html/activism/application/libraries/globals.php(1661): Zend_View_Abstract->__call('partial', Array)
#15 /home/claremon/public_html/activism/application/libraries/globals.php(1661): Omeka_View->partial('common/header.p...', Array)
#16 /home/claremon/public_html/activism/application/libraries/globals.php(1675): common('header', Array)
#17 /home/claremon/public_html/activism/themes/avantgarde/index.php(1): head(Array)
#18 /home/claremon/public_html/activism/application/libraries/Omeka/View.php(117): include('/home/claremon/...')
#19 /home/claremon/public_html/activism/application/libraries/Zend/View/Abstract.php(888): Omeka_View->_run('/home/claremon/...')
#20 /home/claremon/public_html/activism/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(912): Zend_View_Abstract->render('index.php')
#21 /home/claremon/public_html/activism/application/controllers/IndexController.php(16): Zend_Controller_Action_Helper_ViewRenderer->renderScript('index.php')
#22 /home/claremon/public_html/activism/application/libraries/Zend/Controller/Action.php(516): IndexController->indexAction()
#23 /home/claremon/public_html/activism/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('indexAction')
#24 /home/claremon/public_html/activism/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#25 /home/claremon/public_html/activism/application/libraries/Zend/Application/Bootstrap/Bootstrap.php(105): Zend_Controller_Front->dispatch()
#26 /home/claremon/public_html/activism/application/libraries/Zend/Application.php(384): Zend_Application_Bootstrap_Bootstrap->run()
#27 /home/claremon/public_html/activism/application/libraries/Omeka/Application.php(77): Zend_Application->run()
#28 /home/claremon/public_html/activism/index.php(23): Omeka_Application->run()
#29 {main}