Oracle Error PLS-00736: user-declared operators are not allowed

Oracle Error Message

PLS-00736: user-declared operators are not allowed

Reason for the Error

An attempt was made by the user to declare an operator (a function whose name is enclosed in single quotes (“‘”)). Operators may only be declared in package STANDARD.

Solution

Remove the single quotes from around the function name, replacing them with double quotes (“””) only if needed.