PHP Handler not filled on error (System > Main config)
The problem happens when I did (by mistake) added a "." in field prefix for user database in System > Main Config. After that, ISPConfig told me that there is some unauthorized chars in this field, but at the same time, all PHP Handler cases has been dischecked.
PHP Handler cases should keep previous settings (from the latest form submit or from the database).
Server OS: Debian Server OS version: Stretch ISPConfig version: 3.1.15p3