How to solve this problem, front end how show message "your upload limit over please delete some images"

2017-07-31T04:42:03+00:00 CRIT (2):
Error Code: 78911a
exception ‘Engine_Exception’ with message 'File creation failed. You may be over your upload limit. Try uploading a smaller file, or delete some files to free up space. ’ in D:\xampp\htdocs\test\social\application\modules\Storage\Model\DbTable\Files.php:126
Stack trace:
#0 D:\xampp\htdocs\test\social\application\modules\Storage\Api\Core.php(45): Storage_Model_DbTable_Files->createFile(‘D:\xampp\htdocs…’, Array)
#1 D:\xampp\htdocs\test\social\application\modules\Event\Model\Event.php(97): Storage_Api_Core->create(‘D:\xampp\htdocs…’, Array)
#2 D:\xampp\htdocs\test\social\application\modules\Event\controllers\EventController.php(134): Event_Model_Event->setPhoto(Object(Engine_Form_Element_File))
#3 D:\xampp\htdocs\test\social\application\libraries\Zend\Controller\Action.php(516): Event_EventController->editAction()
#4 D:\xampp\htdocs\test\social\application\libraries\Zend\Controller\Dispatcher\Standard.php(308): Zend_Controller_Action->dispatch(‘editAction’)
#5 D:\xampp\htdocs\test\social\application\libraries\Zend\Controller\Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#6 D:\xampp\htdocs\test\social\application\modules\Core\Bootstrap.php(83): Zend_Controller_Front->dispatch()
#7 D:\xampp\htdocs\test\social\application\libraries\Engine\Application.php(160): Core_Bootstrap->run()
#8 D:\xampp\htdocs\test\social\application\index.php(214): Engine_Application->run()
#9 D:\xampp\htdocs\test\social\index.php(24): include(‘D:\xampp\htdocs…’)
#10 {main}

Please help some one

The error you’re running into is due to filesystem limits — either the amount of storage on your server, or quotas set by your administrator/hosting provider. The issue is not related to Zend Framework.