ORA Database Error Messages ORA-31104: Cannot find lock with token “string” on “string” for unlock November 23, 2017 mpbod ORA-31104: Cannot find lock with token "string" on "string" for unlock Cause: The lock may have been unlock or it may have expired Action: No action needed. Unlock already successful 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)