dbe2ce002d5d7546bb9193cea0fbad35 *LL2003-08-20d2t01.shn 8264e61984025b1e0d1d81dbdf50782b *LL2003-08-20d2t02.shn df504e661a2059197732212b0718b7fc *LL2003-08-20d2t03.shn 9c3bdad55d4500af384c201c59a76c4d *LL2003-08-20d2t04.shn 69303896e37c0a17276345cf4e4830b9 *LL2003-08-20d2t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned