The 'Quick Repair and Rebuild' step can sometimes be a little unfamiliar, but it's an important part of ensuring that the plugin integrates properly into your SuiteCRM instance. We're happy to know that the plugin is working well for you now! If you have any further questions or run into any issues, feel free to reach out. We're here to help!
you can follow these step:
https://store.suitecrm.com/docs/suitecrm-with-whatsapp-integration/configure-webhook-of-inbound-whatsapp-messages-at-waboxapp
I just suspended and reactivated the license key.. Can you check if the same works. If not I will start discussion on your email to share another key if this does not work.