Notice: ZipArchive::addFile() [ziparchive.addfile]: Empty string as filename  in /var/www/vhosts/misq.org/httpdocs/app/code/local/CreativeArc/MISQ/controllers/DownloadsController.php on line 91

#0 [internal function]: mageCoreErrorHandler(8, 'ZipArchive::add...', '/var/www/vhosts...', 91, Array)
#1 /var/www/vhosts/misq.org/httpdocs/app/code/local/CreativeArc/MISQ/controllers/DownloadsController.php(91): ZipArchive->addFile('', 'editorials/33:2...')
#2 /var/www/vhosts/misq.org/httpdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(376): CreativeArc_MISQ_DownloadsController->issueAction()
#3 /var/www/vhosts/misq.org/httpdocs/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(248): Mage_Core_Controller_Varien_Action->dispatch('issue')
#4 /var/www/vhosts/misq.org/httpdocs/app/code/community/ArtsOnIT/OfflineMaintenance/Controller/Router/Standard.php(46): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#5 /var/www/vhosts/misq.org/httpdocs/app/code/core/Mage/Core/Controller/Varien/Front.php(158): ArtsOnIT_OfflineMaintenance_Controller_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#6 /var/www/vhosts/misq.org/httpdocs/app/Mage.php(459): Mage_Core_Controller_Varien_Front->dispatch()
#7 /var/www/vhosts/misq.org/httpdocs/index.php(65): Mage::run()
#8 {main}