I have a fresh install of 1.16 and I am trying to create a new email template set and I am getting an error (below). Using Default Language

[Wed Feb 09 07:18:21.730909 2022] [proxy_fcgi:error] [pid 19539] [client 10.1.56.6:49244] AH01071: Got error 'PHP message: PHP Fatal error: Uncaught Error: Non-static method EmailTemplateGroup::add() cannot be called statically in WWW/scp/templates.php:80\nStack trace:\n#0 {main}\n thrown in WWW/scp/templates.php on line 80', referer: WWW/scp/templates.php?a=add

osTicket Version v1.16 (27b8f55) — Up to date
Web Server Software Apache
MySQL Version 5.7.33
PHP Version 8.0.3