caf6e6c5286779038810206a1bc69adc *ph1997-06-25d3t01.shn 8cad2a97759c64146767b268f3269bbd *ph1997-06-25d3t02.shn 4574f9dafcdb9369581aa802cef899d8 *ph1997-06-25d3t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned