upgrade_set_timeout(60); /// Give upgrade at least 60 more seconds
$pbar->update($i, $count, "Migrated group icons $i/$count.");
- $context = get_context_instance(CONTEXT_COURSE, $group->courseid);
+ if (!$context = get_context_instance(CONTEXT_COURSE, $group->courseid)) {
+ debugging('Invalid group record (id=' . $group->id . ') found.');
+ continue;
+ }
if ($fs->file_exists($context->id, 'group', 'icon', $group->id, '/', 'f1.jpg')) {
// already converted!