How to fix the Oracle error ORA-22957: NULL is an invalid input to powermultiset and COLLECT functions?

In this post, you’ll learn more about the Oracle ErrorORA-22957: NULL is an invalid input to powermultiset and COLLECT functions with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-22957: NULL is an invalid input to powermultiset and COLLECT functions

Reason for the Error ORA-22957: NULL is an invalid input to powermultiset and COLLECT functions

NULL was given as input to the powermultiset or COLLECT function.

How to fix the Error ORA-22957: NULL is an invalid input to powermultiset and COLLECT functions ?

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

Give a non-null value as input