PLS Database Error Messages PLS-00660: SELF parameter of constructor method must be IN OUT April 22, 2021 mpbod PLS-00660: SELF parameter of constructor method must be IN OUT Cause: The mode of the SELF parameter of the constructor was not IN OUT. Action: Change the mode of the SELF parameter to be IN OUT. 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)