Random Checkout Behaviour…

cjwinternet
(@cjwinternet)

11 years, 8 months ago

OK, something strange is going on. Browser and W3TC caches cleared.

Using latest WP, WC and WC paypal express.

For example…

4 items.

Product 1, checkout straight to paypal.
Product 1 and 2, checkout straight to paypal.
Product 1, 2 and 3; error “An error occurred, please try again or try an alternate form of payment.”
Remove item 3, and it checks out again.
Product 1, 2, 3 and 4, checkout straight to paypal.
Remove items 3 and 4, and then it fails.

As such, it’s seems random. Sometimes a product will check out, sometimes it won’t.

https://ww.wp.xz.cn/plugins/woocommerce/

Viewing 15 replies - 1 through 15 (of 24 total)

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Thread Starter cjwinternet
(@cjwinternet)

11 years, 8 months ago

This is really bad.

Created a new simple item.

Already one simple item in cart. Able to check out.
Added new simple item “An error occurred, please try again or try an alternate form of payment.”
Removed original item, and able to check out with new item.

This is bad, random behaviour.

Thread Starter cjwinternet
(@cjwinternet)

11 years, 8 months ago

Anyway forget all that.

I’ve got an empty cart.

Add a single, simple product.

Try and checkout and…

“An error occurred, please try again or try an alternate form of payment.”

Thread Starter cjwinternet
(@cjwinternet)

11 years, 8 months ago

…and then add another product, and able to check out.

This needs sorting with urgency.

To think I came from Bigcommerce for this.

Was a happy WP user until today.
Thread Starter cjwinternet
(@cjwinternet)

11 years, 8 months ago
Log file…
```
09-10-2014 @ 23:30:22 - Request
method: POST
uri: https://api-3t.paypal.com/nvp
user-agent: WooCommerce-PayPal-Express-Gateway/3.1.0 (WooCommerce/2.2.1; WordPress/4.0)
headers: Array
(
)

body: Array
(
    [USER] => **************************
    [PWD] => ****************
    [SIGNATURE] => ********************************************************
    [VERSION] => 115
    [METHOD] => SetExpressCheckout
    [RETURNURL] => http://www.domain.co.uk/wc-api/WC_Gateway_PayPal_Express/?action=get_express_checkout_details
    [CANCELURL] => http://www.domain.co.uk/cart/
    [BRANDNAME] => domain.co.uk
    [SOLUTIONTYPE] => Sole
    [LANDINGPAGE] => Login
    [L_PAYMENTREQUEST_0_NAME0] => domain.co.uk - Order
    [L_PAYMENTREQUEST_0_DESC0] => Ranger Lite 3S Sleeping Bag x 1
    [L_PAYMENTREQUEST_0_AMT0] => 27.49
    [L_PAYMENTREQUEST_0_QTY0] => 1
    [PAYMENTREQUEST_0_AMT] => 36.99
    [PAYMENTREQUEST_0_CURRENCYCODE] => GBP
    [PAYMENTREQUEST_0_ITEMAMT] => 27.49
    [PAYMENTREQUEST_0_SHIPPINGAMT] => 3.33
    [PAYMENTREQUEST_0_TAXAMT] => 6.16
    [PAYMENTREQUEST_0_PAYMENTACTION] => Sale
    [MAXAMT] => 55.49
)

duration: 0.89768s
09-10-2014 @ 23:30:22 - Response
code: 200
message: OK
headers: Array
(
    [date] => Wed, 10 Sep 2014 22:30:22 GMT
    [server] => Apache
    [content-length] => 388
    [connection] => close
    [content-type] => text/plain; charset=utf-8
)

body: Array
(
    [TIMESTAMP] => 2014-09-10T22:30:22Z
    [CORRELATIONID] => ec23019a2088e
    [ACK] => Failure
    [VERSION] => 115
    [BUILD] => 12709182
    [L_ERRORCODE0] => 10413
    [L_SHORTMESSAGE0] => Transaction refused because of an invalid argument. See additional error messages for details.
    [L_LONGMESSAGE0] => The totals of the cart item amounts do not match order amounts.
    [L_SEVERITYCODE0] => Error
)

09-10-2014 @ 23:30:22 - Code: 10413, Error: Transaction refused because of an invalid argument. See additional error messages for details. - <strong>The totals of the cart item amounts do not match order amounts.</strong>
```
[PAYMENTREQUEST_0_AMT] => 36.99

but…

[PAYMENTREQUEST_0_ITEMAMT] => 27.49
[PAYMENTREQUEST_0_SHIPPINGAMT] => 3.33
[PAYMENTREQUEST_0_TAXAMT] => 6.16

=£36.98
Plugin Contributor Mike Jolley
(@mikejolley)

11 years, 8 months ago

If this is the PayPal express gateway by WooThemes, Log the above information on the support area so the devs can be notified.

http://support.woothemes.com/

If you need a temporary solution for payment, enable PayPal standard.

Plugin Contributor Mike Jolley
(@mikejolley)

11 years, 8 months ago

Also just found out ‘version 3.1.1’ was put live a moment ago to fix a calculation issue, so try that too.

Thread Starter cjwinternet
(@cjwinternet)

11 years, 8 months ago

It’s VAT rounding in WC that’s the problem.

Take an item that costs £9.99.

WC is calculating £8.33 + 1.67 tax, which is incorrect. The tax is supposed to be rounded down to 1.66.

£9.99 / 1.2 = £8.325

This is supposed to be rounded down not up… http://www.hmrc.gov.uk/manuals/vatrecmanual/vatrec12030.htm

Chrome Orange
(@chrome-orange)

11 years, 8 months ago

From your link

If the VAT comes to 0.5 of one penny or more, it should be rounded up.

The VAT on £9.99 is £1.665 and so it should be rounded up to £1.67

Thread Starter cjwinternet
(@cjwinternet)

11 years, 8 months ago

OK, Correct in that respect, but if the customer is getting charged £9.99, and the vat is correctly £1.67, then the excluding VAT price is £8.32.

[PAYMENTREQUEST_0_ITEMAMT] => 8.33 <——————-
[PAYMENTREQUEST_0_TAXAMT] => 1.67

Both parts of the equation have been rounded up. VAT should be rounded, then a straight subtraction to two decimal places to find the balance.

Thread Starter cjwinternet
(@cjwinternet)

11 years, 8 months ago

It’s still a problem, you can barely checkout with anything using this logic.

`[PAYMENTREQUEST_0_AMT] => 7.99
[PAYMENTREQUEST_0_ITEMAMT] => 3.33
[PAYMENTREQUEST_0_SHIPPINGAMT] => 4.00
[PAYMENTREQUEST_0_TAXAMT] => 0.67

That’s a total of £8.00, and only £7.99 requested. FAIL.

Thread Starter cjwinternet
(@cjwinternet)

11 years, 8 months ago

* Feature – Shipping & Tax are now sent to PayPal during initial checkout

How about NOT sending shipping and tax, and just requesting the total????

Moderator James Huff
(@macmanx)

11 years, 8 months ago

Just noting the plugin author’s first reply to you:

If this is the PayPal express gateway by WooThemes, Log the above information on the support area so the devs can be notified.

http://support.woothemes.com/

Thread Starter cjwinternet
(@cjwinternet)

11 years, 8 months ago

Where do you think the plugin is getting its information from?

That’s what I’m saying, and it’s the very first thing the ‘devs’ will say.

Moderator James Huff
(@macmanx)

11 years, 8 months ago

I don’t know, but the plugin author is kind of telling you bring this to the devs, so you should probably bring it to the devs. 😉

Thread Starter cjwinternet
(@cjwinternet)

11 years, 8 months ago

Done. I already know what the outcome will be.

And that link was wrong, to log a support job it’s four pages away… https://support.woothemes.com/hc/en-us/requests/new

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