ORA Database Error Messages ORA-13028: Invalid Gtype in the SDO_GEOMETRY object August 12, 2015 mpbod ORA-13028: Invalid Gtype in the SDO_GEOMETRY object Cause: There is an invalid SDO_GTYPE in the SDO_GEOMETRY object. Action: Verify that the geometries have valid gtypes. 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)