Fatal error: Uncaught Error: Class 'PhpOffice\PhpPresentation\PhpPresentation' not found in /var/www/kessels/collectiveaccess/pawtucket2/app/helpers/exportHelpers.php:345 Stack trace: #0 /var/www/kessels/collectiveaccess/pawtucket2/app/controllers/FindController.php(473): caExportResult(Object(RequestHTTP), Object(ObjectBrowseResult), 'basic_ppt', NULL, Array) #1 /var/www/kessels/collectiveaccess/pawtucket2/app/controllers/BrowseController.php(398): FindController->_genExport(Object(ObjectBrowseResult), 'basic_ppt', NULL, 'Search: *') #2 /var/www/kessels/collectiveaccess/pawtucket2/app/lib/core/Controller/RequestDispatcher.php(273): BrowseController->__call('objects', Array) #3 /var/www/kessels/collectiveaccess/pawtucket2/app/lib/core/Controller/AppController.php(113): RequestDispatcher->dispatch(Array) #4 /var/www/kessels/collectiveaccess/pawtucket2/index.php(121): AppController->dispatch(true) #5 {main} thrown in /var/www/kessels/collectiveaccess/pawtucket2/app/helpers/exportHelpers.php on line 345