Authentication 250003 - Invalid Access License number

When processing orders, you might come across the "Authentication 250003 - Invalid Access License number" error.

This error is displayed when you try to use UPS address validation services which are not enabled for your account.

To solve this issue you can opt to either:

• Change the address validation level to none or one you are enabled to use (UPS address validation level options details [Information]) as described here: How to change the Address Validation detection level - [Step-by-Step guide]
• Reach your UPS representative to request the services to be enabled for your account