How to fix the Oracle error QSM-01017: aggregate argument cannot be converted to canonical form?

In this post, you’ll learn more about the Oracle ErrorQSM-01017: aggregate argument cannot be converted to canonical form with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-01017: aggregate argument cannot be converted to canonical form

Reason for the Error QSM-01017: aggregate argument cannot be converted to canonical form

Argument of each aggregrate in the query needs to be convertible into a canonical form for query rewrite.

How to fix the Error QSM-01017: aggregate argument cannot be converted to canonical form ?

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

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