ABPro 4.0.5 is required for Joomla 4.
Features that not are coming over to Joomla 4:
- Payment processors, other than PayPal.
- Email Marketing (MailChimp, AcyMailing)
See ABPro 4.0.5 running under Joomla 4.0 -> here
Moving to Joomla 4 / ABPro 4.0.5
As table changes were required for Joomla 4, you cannot simply install ABPro 4.0.5 over top of 4.0.3, you need to:
- ABPro Backup under J3, ABPro 4.0.3
- Uninstall ABPro 4.0.3
- Upgrade J3 to J4
- Install ABPro 4.0.5
- Restore the backup from step 1 with ABPro Restore
To move ABPro from a Joomla 3 site to a new Joomla 4 site see..https://appointmentbookingpro.com/migrate-to-a-new-server.html