GoCardlessErrorerror_reasonbank_account_exists Field

The customer or creditor bank account you are trying to create already exists. These resources must be unique. You should use the corresponding update endpoints to update the details on the existing bank account instead, which will be referenced as links[customer_bank_account] or links[creditor_bank_account] (as appropriate) in the error response.

public const string bank_account_exists = "bank_account_exists"

Public Const bank_account_exists As String = "bank_account_exists"