ORA Database Error Messages ORA-13368: simple polygon type has more than one exterior ring August 13, 2015 mpbod ORA-13368: simple polygon type has more than one exterior ring Cause: In a polygon geometry there is more than one exterior ring. Action: Set the type to be multipolygon if more than one exterior ring is present in the geometry. Back to previous menu Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)