e884bcfbe00d290a43abba84f481effb *db02-04-12d1t01.shn 74218a6a8bd2cf4dbbc2627b6e182b66 *db02-04-12d1t02.shn e9bc4acf61481e76d03f322b961b1b8a *db02-04-12d1t03.shn b2a00cabf776205763d8fd5f8ac3a8aa *db02-04-12d1t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned