php - 错误区块链 API 类

Question

请帮助解决这个问题！

require('lib/Blockchain.php');
$Blockchain = new \Blockchain\Blockchain("my_api_code");
$Blockchain->Wallet->credentials('id_blockchain', 'password', 'second_pass');
$address = $Blockchain->Wallet->getNewAddress($label=null);
echo $address;

每次执行脚本时，我都会收到以下错误消息：

( ! ) Fatal error: Class 'Blockchain\Create\Create' not found in \lib\Blockchain.php on line 65

我正在使用这个类：https ://github.com/blockchain/api-v1-client-php

请问是什么问题？