2d8aad77e2d91a33c661ef0d803e703d *bt1996-07-27d2t01.shn d8c33aefe49f67df79b0e933f8dd5b52 *bt1996-07-27d2t02.shn 20d9de76ae57125ef5b45fdbbac670e3 *bt1996-07-27d2t03.shn d658a8fa22ceed7c765b462bccc3668f *bt1996-07-27d2t04.shn 0dc717575f4c7aa036a9c826fa829e63 *bt1996-07-27d2t05.shn 04c265fcdce773fad76ba5e9922d7477 *bt1996-07-27d2t06.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned