flexi cart - A comprehensive shopping cart library for CodeIgniter

[eluser]rebornishard[/eluser]
i got this error :

Code:

A PHP Error was encountered
Severity: Warning
Message: Invalid argument supplied for foreach()
Filename: libraries/Flexi_cart_lite.php
Line Number: 528
Backtrace:
File: D:\EasyPHP-DevServer-13.1VC11\data\localweb\bidbin3\application\libraries\Flexi_cart_lite.php
Line: 528
Function: _exception_handler
File: D:\EasyPHP-DevServer-13.1VC11\data\localweb\bidbin3\application\controllers\lite_library.php
Line: 232
Function: cart_items
File: D:\EasyPHP-DevServer-13.1VC11\data\localweb\bidbin3\application\controllers\lite_library.php
Line: 49
Function: mini_cart_data
File: D:\EasyPHP-DevServer-13.1VC11\data\localweb\bidbin3\index.php
Line: 274
Function: require_once

already tried with latest ci from github and ci 3.0
both give some error
thanks