af3254ff01ea0b582ec176349c3ef647 *sci010304d3t2.shn 0021d5acac6beb1a1b094e8b263248fb *sci010304d3t1.shn 3a29799dc4d1466f48c1e4a80235fc82 *sci010304d3t3.shn e3127a5bb7869952a7cf53bd7fe8dab4 *sci010304d3t4.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned