My directory looks like:
Just an update that this looks to be a permissions issue.
I'm working on it and hope to have a fixed release ASAP.
EDIT - 2.3.3 now available for download. Includes all errata patches and fixed file permissions.
It is happening to me also. I'm on Centos 7
Just upgraded to 2.3.2 .. 2.3.1 was running OK.
Check your directory and file spermissions are allowing access (as above).
What OS is your Open-AudIT server?
The upgrade has been tested on all supported operating systems and (obviously) passed (or we wouldn't have released it).
chmod 711 /var/www/html
Warning: Unknown: failed to open stream: Permission denied in Unknown on line 0 Fatal error: Unknown: Failed opening required '/var/www/html/open-audit/index.php' (include_path='.:/usr/share/pear:/usr/share/php') in Unknown on line 0
OS is Centos