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