1a79393aeed92f5c0e109a7c01e1aa50 *skb02-22-02d1t01.shn 0134e6385b1fef35a16e20899defb423 *skb02-22-02d1t02.shn f3422eccfe8aa8d45401409b53ebce73 *skb02-22-02d1t03.shn 19fc19a4976deb210945991fe56883ae *skb02-22-02d1t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned