Contact Support to get a new Invite, fill in your old Invite code/Email address!
New Homey’s created from 18-09-2021 the system will re-enable the invite on deletion of the Homey.
For support or issue resolution, first have a look at support.athom.com. If you are unable to find the answer to your question on support.athom.com you can send a support request to Athom via https://support.athom.com/hc/requests/new.
If you need help you can read more about how to submit a support request.
When filing a support request, make sure you add all necessary information so Athom can help you as quickly as possible.