a8f4c932af16505845367a9ea0a083a6 *d3t03.shn c7190be41804762dccf3bccc27be6d12 *d3t02.shn 4ae992d01c7ca83c100614951163b9f9 *d3t01.shn 472661080355d0f569eda76759e93600 *d3t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned