Developer credits
Git commits in Moodle 3.9.x by ScottVerbeek
commit 91376cdb69c9af445378bd32d0dfcbf31ebda75a Author: ScottVerbeek <scottverbeek@catalyst-au.net> Date: Fri, 19 Feb 2021 08:28:54 +0800 Tag: v3.9.7 MDL-66673 groups: Stop notice when messaging system is disabled