Tried to connect to an open network I used some time ago without a problem (before the update to android 16 among other things). It's worth mentioning that a similar error is visible on MacOS but there I'm able to proceed.
The captive portal displays correctly yet after submitting the form I'm stuck with this screen and I can't proceed. Am I doing something wrong? I trust this network and I'm using a VPN. It also doesn't work with VPN off.
It says:
The network you're trying to join has security issues
For example, the login page may not belong to the organization shown.
Additionally it is not possible to bypass this error because the device is currently running a VPN.
VIEW CERTIFICATE
Upon clicking on the VIEW CERTIFICATE there's no option to continue.