The 140 meter long, 7004 dwt freighter Sania ran aground on the Volga-Caspian Sea Canal near the 126.9 kilometer mark.   The master of the Sania ignored warnings from the pilot and traffic authorities before steering the vessel into shallow water.   A tug was dispatched and was able to refloate the vessel later the same day.   No reports of injuries, damage or pollution being released.   The Sania proceeded to Olya to be inspected.   The Sania was bound for Amirabad from Astrakhan with a cargo of 6080 tons of grain.