ORA Database Error Messages ORA-02763: Unable to cancel at least one request June 25, 2015 mpbod ORA-02763: Unable to cancel at least one request Cause: No requests were found that could be cancelled. Action: This error can occur if all the requests dealing with that file number have already been filled. 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)