92b7b5ce61bd193dffb3899756deb38a *skb2002-01-25_d101.shn d8d523af33022d0049334fea8deda329 *skb2002-01-25_d102.shn 641b1da5a5b806a628d1ddd2c4573aee *skb2002-01-25_d103.shn 97a9c849d5104685f2df7221e496ae10 *skb2002-01-25_d104.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned