Attempting to add a file to an item being edited results in error "Omeka_Storage_Exception" "Unable to Store File".
The following is the transcript of the 'stack trace'.
We previously used the Dropbox plugin with no problems with earlier versions of Omeka. Any clue for a resolution would be appreciated.
exception 'Omeka_Storage_Exception' with message 'Unable to store file.' in /var/www/html/omeka-2.4/application/libraries/Omeka/Storage/Adapter/Filesystem.php:119
Stack trace:
#0 [internal function]: Omeka_Storage_Adapter_Filesystem->store('/tmp/9cba5cb2d2...', 'original/9cba5c...')
#1 /var/www/html/omeka-2.4/application/libraries/Omeka/Storage.php(67): call_user_func_array(Array, Array)
#2 /var/www/html/omeka-2.4/application/models/File.php(424): Omeka_Storage->__call('store', Array)
#3 /var/www/html/omeka-2.4/application/models/File.php(424): Omeka_Storage->store('/tmp/9cba5cb2d2...', 'original/9cba5c...')
#4 /var/www/html/omeka-2.4/application/models/Job/FileProcessUpload.php(23): File->storeFiles()
#5 /var/www/html/omeka-2.4/application/libraries/Omeka/Job/Dispatcher/Adapter/Synchronous.php(25): Job_FileProcessUpload->perform()
#6 /var/www/html/omeka-2.4/application/libraries/Omeka/Job/Dispatcher/Default.php(136): Omeka_Job_Dispatcher_Adapter_Synchronous->send('{"className":"J...', Array)
#7 /var/www/html/omeka-2.4/application/models/File.php(203): Omeka_Job_Dispatcher_Default->send('Job_FileProcess...', Array)
#8 [internal function]: File->afterSave(Array)
#9 /var/www/html/omeka-2.4/application/libraries/Omeka/Record/AbstractRecord.php(277): call_user_func(Array, Array)
#10 /var/www/html/omeka-2.4/application/libraries/Omeka/Record/AbstractRecord.php(550): Omeka_Record_AbstractRecord->runCallbacks('afterSave', Array)
#11 /var/www/html/omeka-2.4/application/models/Item.php(335): Omeka_Record_AbstractRecord->save()
#12 /var/www/html/omeka-2.4/application/models/Builder/Item.php(204): Item->saveFiles()
#13 /var/www/html/omeka-2.4/application/libraries/globals.php(567): Builder_Item->addFiles('Filesystem', Array, Array)
#14 /var/www/html/omeka-2.4/plugins/Dropbox/DropboxPlugin.php(100): insert_files_for_item(Object(Item), 'Filesystem', Array, Array)
#15 [internal function]: DropboxPlugin->hookAfterSaveItem(Array)
#16 /var/www/html/omeka-2.4/application/libraries/Omeka/Plugin/Broker.php(157): call_user_func(Array, Array)
#17 /var/www/html/omeka-2.4/application/libraries/Omeka/Record/AbstractRecord.php(298): Omeka_Plugin_Broker->callHook('after_save_item', Array)
#18 /var/www/html/omeka-2.4/application/libraries/Omeka/Record/AbstractRecord.php(550): Omeka_Record_AbstractRecord->runCallbacks('afterSave', Array)
#19 /var/www/html/omeka-2.4/application/libraries/Omeka/Controller/AbstractActionController.php(229): Omeka_Record_AbstractRecord->save(false)
#20 /var/www/html/omeka-2.4/application/controllers/ItemsController.php(91): Omeka_Controller_AbstractActionController->editAction()
#21 /var/www/html/omeka-2.4/application/libraries/Zend/Controller/Action.php(516): ItemsController->editAction()
#22 /var/www/html/omeka-2.4/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('editAction')
#23 /var/www/html/omeka-2.4/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#24 /var/www/html/omeka-2.4/application/libraries/Zend/Application/Bootstrap/Bootstrap.php(105): Zend_Controller_Front->dispatch()
#25 /var/www/html/omeka-2.4/application/libraries/Zend/Application.php(384): Zend_Application_Bootstrap_Bootstrap->run()
#26 /var/www/html/omeka-2.4/application/libraries/Omeka/Application.php(79): Zend_Application->run()
#27 /var/www/html/omeka-2.4/admin/index.php(28): Omeka_Application->run()
#28 {main}