b62276e15f99c30ab6a0182f6d2fb280 *ph97-08-09d3t01.shn e742cc8738c1b106eab7a84edaed94bc *ph97-08-09d3t02.shn 40fd8455a3025529e251780275b0acf9 *ph97-08-09d3t03.shn 20f9e8196036a2a0c5f61d48035ea0b2 *ph97-08-09d3t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned