PLS Database Error Messages PLS-00617: at least one result in the CASE expression must not be NULL April 22, 2021 mpbod PLS-00617: at least one result in the CASE expression must not be NULL Cause: All the results in the CASE expression are the literal NULL. Action: Change at least one result in the CASE expression to be non-NULL. 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)