af3009c50ec1986e9a1551359f456e6a *skb01-05-06d1t01.shn 1a9a9ea06338e6d970cc0d1c37bb29c0 *skb01-05-06d1t02.shn be1caf447628e5441ab070b170dd75d5 *skb01-05-06d1t03.shn 28520769562014be9b997b5c2f2e1b91 *skb01-05-06d1t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned