How to fix the Oracle error ORA-22318: input type is not an array type?

In this post, you’ll learn more about the Oracle ErrorORA-22318: input type is not an array type with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-22318: input type is not an array type

Reason for the Error ORA-22318: input type is not an array type

The user is trying to obtain the number of elements for a non-array type.

How to fix the Error ORA-22318: input type is not an array type ?

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

Pass in only a named collection type which is an array.