237b3f076d4dd3a4e7719c3d25036816 *skb00-10-28d3t01.shn d40e0efc03c3e39877902030132e1c12 *skb00-10-28d3t02.shn 15eec537daa5f18bd8eed47a8268cc5a *skb00-10-28d3t03.shn c7ce8a83ae5b42b6a75f3defaacdd02b *skb00-10-28d3t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned