cca204c028c4986ae7959f6446f6011b *skb01-10-31d3t1.shn ca58c9c56da7784079901b6ae3bdeba9 *skb01-10-31d3t2.shn c61543a88aaf598b12cf76aed8a369bc *skb01-10-31d3t3.shn 9927a2faa3bd1722b649081f24eb7de7 *skb01-10-31d3t4.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned