1. Double-check your code:

Ensure there are no extra spaces before or after the code.

2. Code vs Key:

Enter the 6-digit code in the "Code" field and the 6-digit key in the Key "field".

3. Confirm details:

Verify the recipient's name and account number.

4. Account limits:

Check the recipient's account has reached its daily limit. If so, try a different account or wait until the limit resets.