c7af912cc75e44655f8505b05c7e0e15 *skb01-05-06d3t01.shn be1915e536036c3f20157b6b858c7e69 *skb01-05-06d3t02.shn 6ff5c3e2306cc5ec5d432620330c16f3 *skb01-05-06d3t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned