ORA Database Error Messages ORA-01975: Illegal character in change number string June 11, 2015 mpbod ORA-01975: Illegal character in change number string Cause: An invalid change number was supplied. Action: Resubmit the command with a valid change number. 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)