796142452c38534cf6c7eb7c1149e291 *nd-2001-12-31-d2t01.shn e3516c5dbfc91086f64c74ecd1945186 *nd-2001-12-31-d2t02.shn 1a9388b3b091bd728c76e88e14fd6f14 *nd-2001-12-31-d2t03.shn 2db95968f1ffd0a3da7e8840bbedc565 *nd-2001-12-31-d2t04.shn ec63151aee36714d1e1e81c481f502ae *nd-2001-12-31-d2t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned