Oracle PL/SQL - Raise User-Defined Exception With Custom SQLERRM

Oracle PL/SQL - Raise User-Defined Exception With Custom SQLERRM: a task in Terminal-Lego-15k (Harbor dataset). In Oracle PL/SQL, when you raise a user-defined exception using RAISE ex custom , the default SQLERRM returns "User-Defined Exception". Your task is to write PL/SQL code that…