ORA Database Error Messages ORA-13346: the coordinates defining an arc are collinear August 13, 2015 mpbod ORA-13346: the coordinates defining an arc are collinear Cause: Invalid definition of an arc. An arc is defined using three non-collinear coordinates. Action: Alter the definition of the arc, or set the SDO_ETYPE or SDO_GTYPE to the line type. 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)