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Problem with Checkout and PayPal Checkout Integration extension

Posted: Thu May 29, 2025 8:50 pm
by brydekirk
Hi folks,

We are using Opencart 3.0.3.1 on our site - https://www.gallowayfudge.com

We recently upgraded to PayPal Complete payments in order to get access to addional options suc as Pay Later. This working correctly but we do have one issue.

If we set System / Settings / Option / Stock "Stock Checkout" to No (as shown on attached image) then when a customer adds an item which has zero stock to their cart when they try to checkout the following red warning message appears for an instant and then disappears "! Products maked with *** are not available in the desired quantity or not in stock !" . The customer is unable to checkout.

Prior to upgrading the PayPal extension this message would continue to be displayed on the screen. (see attached image).

Does anyone have any idea how we can get this to behave in the way it used to i.e. for the message to stay on screen?

Thanks in advance,
Ian

Re: Problem with Checkout and PayPal Checkout Integration extension

Posted: Thu May 29, 2025 9:50 pm
by JNeuhoff
It looks like you are not using the standard checkout page, it always results in a blank page (except for header and footer).
What theme and other 3rd party extensions do you use?

Re: Problem with Checkout and PayPal Checkout Integration extension

Posted: Thu May 29, 2025 10:06 pm
by by mona
After testing I did not have the basket or checkout issue as described above.

There was an issue with adding the offending product to the cart, but on second attempt it was fixed, so likely to be an issue with an extension you may be playing with at this moment.

Also be aware that it may have been in the cart on a previous login and still saved there.

Re: Problem with Checkout and PayPal Checkout Integration extension

Posted: Fri May 30, 2025 1:35 am
by JNeuhoff
The checkout page looks OK when using Chrome, not though when using Firefox (the latter also has the AdBlocker). After disabling the AdBlocker on FireFox, the checkout looks good there, too.

I think there are issues with the onepage checkout extension used which need fixing!

Re: Problem with Checkout and PayPal Checkout Integration extension

Posted: Fri May 30, 2025 5:07 pm
by CartCoding
Please check your template/checkout/cart.twig. Maybe the issus from follow code.

Code: Select all

    $.ajax({
        url: 'index.php?route=extension/module/preorder/checkQuantityPO',
        type: 'post',
        data: query,
        dataType: 'json',
        beforeSend: function() {
            $('#product .text-danger').remove();
        },