> Code 30 - Format error The payment was declined by the buyer's bank due to reason 30 - Format error This decline message indicates a technical error. What can you do? Contact our technical support to resolve the problem. Related articles CB > Code 51 - Insufficient balance or exceeded credit limit > Code 57 - Transaction not allowed for this cardholder > Code 39 - 3D Secure refused for the transaction. I'm connecting to the SFTP server