How to fix the Oracle error ORA-32639: Aggregate functions on reference MODELs are not allowed?

In this post, you’ll learn more about the Oracle ErrorORA-32639: Aggregate functions on reference MODELs are not allowed with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-32639: Aggregate functions on reference MODELs are not allowed

Reason for the Error ORA-32639: Aggregate functions on reference MODELs are not allowed

An aggregate function was specified on the cells of a reference MODEL.

How to fix the Error ORA-32639: Aggregate functions on reference MODELs are not allowed ?

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

Check the SQL statement and rewrite if necessary.