A piece of ceramic may come off. This is unpleasant, but the damage is aesthetic and will not adversely affect the operation of the kamado. A chipped-off piece of ceramic also does not affect the warranty.
You can buy a bottle of cold enamel for this. You can submit a service request to customer service. By using cold enamel, the damage will be hardly visible, if at all. Remove any loose flakes and dot the damaged area. It’s as simple as that. You can watch instructional video for this.