If you received the following error response when you tried to hit our Direct Debit API:

[AccountLinking] error when trying to Linked Account Tokenization due to Error due to
 Account details (eg. card number, mobile number) provided does not match with the 
bank's record."

The problem had happened as the Card Number is Not Found. It can be resolved by entering the following information correctly:
- Card last four digits
- Email and phone number