Problem
The customer's payment failed due to a "Security Violation" error. This is likely due to the payment card details being entered incorrectly.
Solution
Contact the customer to verify their payment information.
Ask the customer to confirm their card's CVV number.
Ask the customer to confirm that their billing address matches their card statement.
In ServiceTitan, go to the failed payment.
Re-enter the correct card details.
Process the payment again with the updated information.