getBlockRange error start 32600828 end 32600838

[miaoxn]

$start=32600828;
$end=32600838;
no block
Error reporting

    $data = $this->manager->request('wallet/getblockbylimitnext', [
        'startNum'  =>  intval($start),
        'endNum'    =>  intval($end) + 1
    ]);
    if(isset($data['block'])){
        return $data['block'];
    }else{
        return $data;
    }