I using the opencart 3.0.2 but the paypal checkout express can not work properly , Please help
it will appear the error message :
Notice: Undefined index: PAYMENTREQUEST_0_SHIPTOZIP in /XXXXXXXXXXXXXXXXXXXXXX/catalog/controller/extension/payment/pp_express.php on line 176Notice: Undefined index: PAYMENTREQUEST_0_SHIPTOZIP in /XXXXXXXXXXXXXXXXXX/catalog/controller/extension/payment/pp_express.php on line 190Notice: Undefined index: PAYMENTREQUEST_0_SHIPTOZIP in XXXXXXXXXXXXXXXXl/XXXXXXX/catalog/controller/extension/payment/pp_express.php on line 193Warning: Cannot modify header information - headers already sent by (output started at /home/XXXXXXXX/public_html/XXXXXXXXX/catalog/controller/startup/error.php:34) in /home/XXXXXX/public_html/XXXXXXXXXXXXXXXXX/system/library/response.php on line 36
