PLS Database Error Messages PLS-00142: duplicate external PARAMETER list specification in subprogram expression February 23, 2021 mpbod PLS-00142: duplicate external PARAMETER list specification in subprogram expression Cause: The subprogram was found to have two external PARAMETER STYLE specifications. Action: Remove one of the external PARAMETER STYLE specifications. 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)