Fatal error: Uncaught Error: Class 'WeChat\Contracts\BasicWePay' not found in /home/cl1234/public_html/dev.3019.cl/system/storage/vendor/zoujingli/wechat-developer/WePay/Bill.php:28 Stack trace: #0 {main} thrown in /home/cl1234/public_html/dev.3019.cl/system/storage/vendor/zoujingli/wechat-developer/WePay/Bill.php on line 28