ORA Database Error Messages ORA-09929: GLB of two labels is invalid July 28, 2015 mpbod ORA-09929: GLB of two labels is invalid Cause: The result of a greatest lower bound operation on two labels was not valid. Action: Repeat the operation with two different labels. Consult the system encoding file for the values of valid labels. 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)