wrong vat calculation for mollie - Vendr Support - our.umbraco.com

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Puck Holshuijsen 184 posts 727 karma points

Nov 22, 2022 @ 09:38
0

Wrong VAT calculation for Mollie
Hi Matt,

Sometimes I am getting the error that the VAT amount is off. Do you have an idea where I can check/fix this?
```
AggregateException: AsyncHelper.RunSync method threw an exception. (Unprocessable Entity - Order line 1 is invalid. VAT amount is off. Expected VAT amount to be €9.72 (€56.00 × (21.00% / 121.00%)), got €9.70)
```
I am using Vendr 3.0.4
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Puck Holshuijsen 184 posts 727 karma points

Nov 22, 2022 @ 10:42

0

It looks like I have fixed the issue.

The Order Rounding Method was set to Unit (default i believe) which caused some issues because of custom discounts.

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Matt Brailsford 4125 posts 22222 karma points MVP 9x c-trib

Nov 22, 2022 @ 15:24

100

Hi Puck,

Yea, our default (and most other platforms) is to use unit rounding, but Mollie expects order line rounding. This is documented in the “Setting up Umbraco” section of the payment provider docs here https://vendr.net/docs/payment-providers/mollie/2.0.0/mollie-onetime/getting-started/configuring-umbraco/#configure-order-rounding-settings

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Puck Holshuijsen 184 posts 727 karma points

Nov 23, 2022 @ 06:56

0

Thanks Matt, I totally missed that in the docs :)

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Matt Brailsford 4125 posts 22222 karma points MVP 9x c-trib

Nov 23, 2022 @ 09:38

0

No problem. I’m just glad you got it working. 👍🏻

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