Fatal error: Uncaught TypeError: Argument 1 passed to caGetRepresentationDownloadFileName() must be of the type string, null given, called in /var/www/pawtucket/app/controllers/DetailController.php on line 748 and defined in /var/www/pawtucket/app/helpers/displayHelpers.php:5010 Stack trace: #0 /var/www/pawtucket/app/controllers/DetailController.php(748): caGetRepresentationDownloadFileName(NULL, Array) #1 /var/www/pawtucket/app/lib/Controller/RequestDispatcher.php(273): DetailController->DownloadRepresentation(NULL) #2 /var/www/pawtucket/app/lib/Controller/AppController.php(113): RequestDispatcher->dispatch(Array) #3 /var/www/pawtucket/index.php(132): AppController->dispatch(true) #4 {main} thrown in /var/www/pawtucket/app/helpers/displayHelpers.php on line 5010