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Magento – "InvalidCheckoutSessionStatus" Error while firing CompleteCheckoutSession GraphQL End-Point

I am working with Amazon Pay and Adobe Commerce integration. I have Amazon Version 5.14.1. I have integrated this in Headless architecture using GraphQL.

I am able to redirect to Amazon page to enter login details and select the shipping and payment details. After that, I am getting redirected to Checkout page on the Magento with Prefilled Shipping address and Payment method as Amazon selected.

However When I hit the Place order button we are calling "completeCheckoutSession" GraphQL is called and this is where the error happens.

here is the Error that we are getting,

{
"reasonCode": "InvalidCheckoutSessionStatus",
"message": "You tried to call an operation on a Checkout Session that is in a state where that operation is not allowed",
"status": 422
}

completeCheckoutSession is defined in this class "AmazonPayModelCheckoutSessionManagement".

can anybody help me with the resolution of the issue?

I have tried adding the logs and it is giving 422 HTTP status code and hence cancelling the order and throwing an error as per the code.

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2

Answers


  1. 0

    From the order review page, the Place Order button should actually be invoking a request to UpdateCheckoutSession, then redirecting the customer to the amazonPayRedirectUrl before you’ll be able to make the request to CompleteCheckoutSession.

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  2. 0

    If when I process the request UpdateCheckoutSession, it return same error, what is the reason.

    And the transaction status is open.

    Thanks,
    Michael

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