https://docs.whmcs.com/9-1/tags/2checkout/Recent content in 2checkout onHugo -- gohugo.iohttps://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/troubleshooting-payments/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/troubleshooting-payments/Serves as the payments troubleshooting index, listing general first steps (Gateway Log review, cron status, callback configuration) and linking to article groups for currencies/exchange rates, taxes, transactions, and gateway-specific issues covering Authorize.net, 2CheckOut, eWay, GoCardless, iDeal via Mollie, PayFlow Pro, PayPal, Quantum Vault, Skrill, Stripe, Stripe ACH, Stripe Dynamic Payments, and WorldPay.https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/2checkout/2checkout-inline-checkout-crash/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/2checkout/2checkout-inline-checkout-crash/Covers Chrome browsers crashing with Aw, Snap! Something went wrong while displaying this webpage, Err code RESULT_CODE_KILLED_BAD_MESSAGE during 2Checkout payment, caused by the deprecated Inline Checkout Checkout Style setting, with a workaround of using a different browser and a permanent fix of switching Checkout Style to Standard Checkout in the Payment Gateways configuration.https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/2checkout/authentication-failed-errors/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/2checkout/authentication-failed-errors/Addresses the generic Authentication failed error across payment gateways, caused by incorrect credentials in the Payment Gateways configuration, such as an incorrectly entered secret word for 2CheckOut, with a fix to review and correct the gateway configuration.https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/md5-hash-failures/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/md5-hash-failures/Covers MD5 Hash Failure and MD5 Signature Failure errors for the 2CheckOut and Skrill Hosted Payment gateways, caused by a secret word mismatch between the WHMCS Payment Gateways configuration and the gateway’s control panel, with steps to verify and update the secret word (avoiding trailing spaces for 2CheckOut).https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/2checkout/pe101-errors/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/2checkout/pe101-errors/Covers Error Code PE101 and the related Account is not approved to sell and Account has been closed messages for 2CheckOut, caused by an incorrect Vendor Account Number, a deprecated Inline Checkout Checkout Style setting, or a 2CheckOut account-level issue, with a fix to update the configuration to Standard Checkout or contact 2CheckOut support.https://docs.whmcs.com/9-1/payments/payment-gateway-modules/2checkout/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/payments/payment-gateway-modules/2checkout/The 2CheckOut third-party gateway module supports one-time, recurring, and refund payments but not reversals or 3-D Secure, requiring configuration of the vendor account number, API credentials, INS secret word, checkout style, recurring billing options, and demo mode settings.