How to fix the Oracle error PLS-00652: aggregate functions should have exactly one argument?

In this post, you’ll learn more about the Oracle ErrorPLS-00652: aggregate functions should have exactly one argument with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00652: aggregate functions should have exactly one argument

Reason for the Error PLS-00652: aggregate functions should have exactly one argument

User tried to create aggregate function with either 0 or more than one arguments.

How to fix the Error PLS-00652: aggregate functions should have exactly one argument ?

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

Do not create aggregate function with 0 or more than one argument.