ORA Database Error Messages ORA-16540: invalid argument October 1, 2015 mpbod ORA-16540: invalid argument Cause: One of the arguments for the specified request was invalid for the request type. Action: Verify arguments and then reissue the request. Back to previous menu 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)