ORA Database Error Messages ORA-12464: invalid characters in label component string August 6, 2015 mpbod ORA-12464: invalid characters in label component string Cause: Label components can contain only alphanumeric characters, blanks, and underscores. Action: Correct syntax of the label component. 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)