Developer credits
Git commits in Moodle 3.1.x by Craig R Morton
commit 4b0de026488467815a2f7d8df90aba0389f13960 Author: Craig R Morton <craig@moodle.com> Date: Wed, 30 Nov 2016 13:08:56 +0800 Tag: v3.1.4 MDL-57209 forms: Notice: Undefined index: options in profile edit page