MDL-16096: missing library require - Fix by Joseph Morwick.

diff --git a/lib/accesslib.php b/lib/accesslib.php
index bc88fc89ae2659f089869d4127f3c56871da8fb5..c2a019c4cd2f57236315a55d715aac6fe6ffe8f4 100755 (executable)
--- a/lib/accesslib.php
+++ b/lib/accesslib.php
@@ -2779,6 +2779,7 @@ function role_assign($roleid, $userid, $groupid, $contextid, $timestart=0, $time
 function role_unassign($roleid=0, $userid=0, $groupid=0, $contextid=0, $enrol=NULL) {
 
     global $USER, $CFG, $DB;
+    require_once($CFG->dirroot.'/group/lib.php');
 
     $success = true;