What do you see?
When synchronising orders to Twinfield, the following error message appears:
Execution VAT number has an invalid format.
What is the cause?
Twinfield checks with every booking whether the customer's VAT number has a valid format. It sounds technical, but it simply comes down to this: somewhere in your web shop, a VAT number has been entered that Twinfield does not recognise.
This can have several causes:
The VAT number is missing a required country prefix (such as
NLfor the Netherlands orBEfor Belgium)The number contains spaces, dots, or other characters that do not belong there
The field has been filled with a placeholder or test value (such as
VAT123or0000000)The customer entered an invalid VAT number when placing their order
How do you fix it?
Step 1 – Check the customer's VAT number Go to the relevant order in your web shop and open the customer details. Check the VAT number that has been entered.
Step 2 – Correct the format A valid Dutch VAT number looks like this: NL123456789B01 A valid Belgian VAT number looks like this: BE0123456789
Make sure that:
There are no spaces or dots in the number
The country prefix is present (NL, BE, DE, etc.)
The number has the correct length for the relevant country
Step 3 – Correct and synchronise again Update the VAT number in your web shop or accounting system. Then try to synchronise the order again via Combidesk.