my secondary delivery address isnt valid help me
I comprehend that your secondary delivery address is not valid and I'm here to assist you. To resolve this issue, please follow these steps:

1. Log in to your account.
2. Navigate to the 'My Account' or 'Profile' section.
3. Look for the 'Shipping Addresses' or similar section.
4. Verify the details of your secondary delivery address and make any necessary corrections.
5. Save the changes.

If you're still facing difficulties or if the process appears different for you, please provide more information about the invalid address you're encountering, such as any error messages or specific fields that are causing the issue. This will enable me to troubleshoot the problem and offer you further assistance.