I am getting this message when checking out on a website:

[Claudieb1]

PayPal gateway has rejected request. The totals of the cart item amounts do not match order amounts (#10413: Transaction refused because of an invalid argument. See additional error messages for details). Item total is invalid (#10426: Invalid Data).

[allspark]

Hi @Claudieb1,

Sorry you're experiencing this issue.

Here are some reasons that may be causing these errors, along with steps to resolve.

• Error code 10413: https://www.paypal.com/uk/smarthelp/article/why-did-i-get-error-10413-%E2%80%9Ctransaction-refused-b...
• Error code 10426: https://www.paypal.com/uk/smarthelp/article/why-did-i-get-api-error-code-10426-ts2049

If these steps do not resolve your issue, please submit a ticket to Merchant Technical Support.

Go to: https://www.paypal-techsupport.com/ and click Contact Us.