0f51465eb505598773d2f6cacba7c8db *sci99-10-28d3t02.shn 0b195f82adfdce51978c57e4b11a7987 *sci99-10-28d3t03.shn a355e995f7e2b1770603ef33268f6861 *sci99-10-28d3t01.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned