Developer credits
Git commits in Moodle 3.6.4 by Julien Boulen
commit f8c209cf25e1c3167f75097965c5004e818ac92c Author: Julien Boulen <julien.boulen@univ-rennes2.fr> Date: Mon, 18 Mar 2019 18:18:46 +0800 Tag: v3.6.4 MDL-46803 course: Prevent unenrol users with multiple roles during reset