The first thing you will need to connect Aweber with Booking Ultra is go though the authorization process.
Click on the Aweber link, then you have to click on the “click here to connect” link.
Please note: A new link will be opened and you will be taken to the Aweber Authorization page.
Login to your AWeber Account
User your aweber credentials to to give access to your AWeber account.
Just keep the authorization code in a safe place, you will need to copy/paste it in the plugin.