length expanded size cdr WAVE problems fmt ratio filename 13:00.813 149916204 B cxx -- ---xx flac 0.5005 01 - Knockin' On Heaven's Door.flac 17:07.800 197337644 B cxx -- ---xx flac 0.5278 02 - Don't Let Go.flac 11:47.693 135877164 B cxx -- ---xx flac 0.5175 03 - Dear Prudence.flac 8:15.653 95165484 B cxx -- ---xx flac 0.5188 04 - Midnight Moonlight.flac 50:11.960 578296496 B 0.5168 (4 files) App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned