Error - Perl execution failed Undefined subroutine &main::authentic called at /usr/share/webmin/authentic-theme/index.cgi line 12

Webmin
47

I have successfully applied the work-around Ilia provided found here:
https://forum.virtualmin.com/t/perl-error-after-webmin-update/108856/2?u=burpsalot
Thank you!
Should I be making any other changes based on the info I provided?