61565fef188fa9d5c5c39d04255f3e0b *skb02-02-10t1.shn 3fbd70358d1bc9d7a58eac9e8de0ff54 *skb02-02-10t2.shn 22a80fe0117ce9c42a1549b339aef3bb *skb02-02-10t3.shn 602fea561c1ed70537c156dd6f1b1b3a *skb02-02-10t4.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned