How to fix the Oracle error PLS-00493: invalid reference to a server-side object or function in a local context?

In this post, you’ll learn more about the Oracle ErrorPLS-00493: invalid reference to a server-side object or function in a local context with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00493: invalid reference to a server-side object or function in a local context

Reason for the Error PLS-00493: invalid reference to a server-side object or function in a local context

A reference to a server-side object (e.g. a table column) or function (a group function such as SUM, AVG, MIN, MAX, … ) was found in a context where only PL/SQL objects may be present (such as within the parameter list of a local function or as the index of a (local) PL/SQL table.)

How to fix the Error PLS-00493: invalid reference to a server-side object or function in a local context ?

You can fix this error in Oracle by following the below steps

Rewrite the offending statement; or (if a local function call is the problem context), make the function non-local (either packaged or top- level.)