ORA Database Error Messages ORA-31102: Already locked in exclusive mode. Cannot add lock November 23, 2017 mpbod ORA-31102: Already locked in exclusive mode. Cannot add lock Cause: The resource is already locked in exclusive mode. Cannot add another lock Action: Unlock the existing lock 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)