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Support Home FAQ Checkout Form Why does an "invalid date" error occur for the Birthdate field, while processing Checkout Form?

Why does an "invalid date" error occur for the Birthdate field, while processing Checkout Form?

This is for the error “Invalid Date” or “Birthdate: invalid date” on the checkout form.

Please check the following:

if you have any validation rule on the Birthdate field on Payment Txn object. If so change, deactivate the validation rule and check again.
The format of the date is correct i.e. correct order of day/month/year. The format of the Birthdate on our standard setup is: DD/MM/YYYY:
Please check the user's, the system's locale settings and the guest user locale setting match.

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Updated at October 9th, 2025