0569e774761c639abad2115867077274 *jgb77-08-06d1t01.shn 159ac73ddc5172fa664be1360e5461ea *jgb77-08-06d1t02.shn 6ac387c1f0a83766f8c650aae73c9fd1 *jgb77-08-06d1t03.shn 21bbd6814f1808609e895bff7ec2cee8 *jgb77-08-06d1t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned