All objections on the ground of non-joinder or misjoinder of parties shall be taken at the earliest possible opportunity and, in all cases where issue are settled, at or before such settlement, unless the ground of objection has subsequently arisen, and any such objection not so taken shall be deemed to have been waived.

All objections on the ground of non-joinder or misjoinder of parties shall be taken at the earliest possible opportunity and, in all cases where issue are settled, at or before such settlement, unless the ground of objection has subsequently arisen, and any such objection not so taken shall be deemed to have been waived.