33ff08de9f974eb41c5f1b86afdfe055 *db99-03-10d2t1.shn 2bcd85d493dc9d8e49effc6da56a47af *db99-03-10d2t2.shn b2c58a4fe60dc3fec82a36e47a3f9e13 *db99-03-10d2t3.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned