if err != nil {
		return
	}
	err = en.WriteString(z.Source)
	if err != nil {
		err = msgp.WrapError(err, "Source")
		return
	}
	// write "Group"
	err = en.Append(0xa5, 0x47, 0x72, 0x6f, 0x75, 0x70)
	if err != nil {
		return
	}
	err = en.WriteBool(z.Group)
	if err != nil {
		err = msgp.WrapError(err, "Group")
		return
	}
	// write "Owner"