PLS Database Error Messages PLS-00522: MAP methods must return a scalar type March 12, 2021 mpbod PLS-00522: MAP methods must return a scalar type Cause: The MAP member function was written such that it returns something other than a scalar type. Action: Rewrite the MAP function such that it returns a scalar type. 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)