A PHP Error was encountered

Severity: Warning

Message: file_put_contents(d:\wwwroot\bamg.com.cn/assets/image/QRcode/842104_ZRB5?5X6_446_10.png) [function.file-put-contents]: failed to open stream: Invalid argument

Filename: libraries/My_wechat_class.php

Line Number: 125

Backtrace:

File: D:\wwwroot\bamg.com.cn\application\libraries\My_wechat_class.php
Line: 125
Function: file_put_contents

File: D:\wwwroot\bamg.com.cn\application\controllers\product.php
Line: 1115
Function: getWxQRcode

File: D:\wwwroot\bamg.com.cn\index.php
Line: 317
Function: require_once