Within thirty days after the filing of any report, exceptions thereto may be taken by any party or parties interested in such real estate. Immediately after the filing of such report the prothonotary shall mark the same "confirmed nisi." Where no exceptions are filed thereto, said prothonotary shall enter a decree that the report is confirmed absolutely; where exceptions are filed, the court shall confirm, modify, or change such report, or refer the report back to the same or new viewers.
16 P.S. § 12108