ORA Database Error Messages ORA-13211: failed to tessellate the window object August 12, 2015 mpbod ORA-13211: failed to tessellate the window object Cause: An internal error was encountered while trying to tessellate the window object. Action: Verify the geometric integrity of the window object using the VALIDATE_GEOMETRY_WITH_CONTEXT procedure. 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)