ORA Database Error Messages ORA-22131: hexadecimal string length is zero December 13, 2016 mpbod ORA-22131: hexadecimal string length is zero Cause: The given hexadecimal string length must be greater than zero Action: Specify a length greater than zero Back to previous menu https://support.oracle.com/ http://www.oracle.com/ 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)