gazfocus Posted January 30, 2013 Share Posted January 30, 2013 We have just started using Worldpay and are trying to setup the Worldpay gateway in WHMCS. I have done everything in the Worldpay admin panel and I have added the installation ID and password in WHMCS, however, when trying to do a test payment via worldpay, I get the following error: Secure Payment Page Sorry, there was a problem processing your payment: The information sent from the merchant's site is invalid or incomplete. Please send the following information to the merchant: The transaction cannot be processed for one or more of the following reasons: The installation ID field is blank or contains invalid characters. A different submission protocol is required. A more secure submission may be required. The installation number is invalid. Server information 30/Jan/2013 14:27:51 Server ID mm2imscs4p (WPReq-136892) Can anyone recommend some things to try to get it working? 0 Quote Link to comment Share on other sites More sharing options...
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