Vanilla 2.6 is here! It includes security fixes and requires PHP 7.0. We have therefore ALSO released Vanilla 2.5.2 with security patches if you are still on PHP 5.6 to give you additional time to upgrade.
Thank you @peregrine. The first link (http://vanillaforums.org/discussion/comment/220447/#Comment_220447) helped. I was getting that same error, and running the sql command alter table GDN_Tag drop i… (View Post)