To enable exception tracking, set the "zpa.track_exceptions" directive to "1" in the zpa.ini (Linux) or php.ini (Windows). Similarly, to disable, set to "0."
To enable error tracking:
zpa.track_exceptions = 1
To disable error tracking:
zpa.track_exceptions = 0

To enable or disable exception tracking for a specific application, update the .htaccess (Linux) or .user.ini (Windows).
In the .htaccess (Linux),
php_value zpa.track_exceptions 1
In the .user.ini (Windows),
zpa.track_exceptions = 1