I have setup WorldPay Payment Gateway with EE3 but the payment page displays the error.
I have filled all the fields on WorldPay settings page.
Please help me with this.
Thanks for your reply !!!
I have followed these steps but still get the error.
Error:-
1. The installation ID field is blank or contains invalid characters.
2. A different submission protocol is required. A more secure submission may be required.
3. The installation number is invalid.
Please help me with Worldpay integration. I have followed your mentioned steps but still got the error.
Regards,
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