Unable to access internet from AP (multiple clients)


I have a new issue that has come up for me with multiple clients that has prompted me to join up.
All these clients have UniFi WAP’s at their locations.
In the last 2-3 weeks they are all having the same issue where they cannot access the internet when connected to the Wi-Fi.
I have updated firmware and controllers and restarted units but all to no avail.
Internet access used to work so I am not sure what has changed and I am not finding anything that is out of the ordinary so I am hoping someone here has run into the same issue and can offer some insight into this issue.

Thank you,

Don’t know if you are using the UniFi routing equipment, but there is this