pfSense

I've troubleshooted and confirmed that in this scenario, lines 229-244 here are being executed when you click "Save"; line 242 here in particular is to blame for erasing voucher config info:
https://github.com/bsdperimeter/pfsense/blob/8b320242759a783ebecd28dcbd57c1262844cbc4/usr/local/www/services_captiveportal_vouchers.php

I have reason to believe that those lines are not intended to be executed when you have an existing voucher config and click "Save", as is the case in this scenario. Perhaps someone can shed some light on what circumstances those lines of code are supposed to be called under?

Applied in changeset ab9526e619a948da1b4ab5f5c094e7204ecb4e94.

fixed