MDL-63798 mod_assign: fix restore when group is missing

2018-11-21 07:58:11 +00:00
parent 0225ad42ea
commit b5f63b1e90
1 changed files with 5 additions and 0 deletions
@@ -167,6 +167,11 @@ class restore_assign_activity_structure_step extends restore_activity_structure_
        }
        if (!empty($data->groupid)) {
            $data->groupid = $this->get_mappingid('group', $data->groupid);
+            if (!$data->groupid) {
+                // If the group does not exist, then the submission cannot be viewed and restoring can
+                // violate the unique index on the submission table.
+                return;
+            }
        } else {
            $data->groupid = 0;
        }