b1ddb9a3eab3ed303ab825202780fc72 *skb010421d1T01.shn 5cbeb83f19045e7a8344f49179e7565f *skb010421d1T02.shn 9f45c436f907350172a160cf882fee5d *skb010421d1T03.shn 5c9c21e40a85a20bf379958484040e63 *skb010421d1T04.shn 2141c890833ca18d129ea574361cdf7a *skb010421d1T05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned