Unable to Install AAP 2.2.1.1 with RHEL 8.6

Hello,

I'm trying to demo AAP for my org, but I keep running into this error:

Thanks,

John...

TASK [ansible.automation_platform_installer.preflight : Ensure hostname on nodes with receptor installed is not localhost] ***
fatal: [aap]: FAILED! => {"changed": false, "msg": "The system hostname cannot be localhost, receptor requires it to be set to something other than localhost"}

Inventory file:

[automationcontroller]
aap ansible_connection=local

/etc/hosts

127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.52.128 aap