How to fix the Oracle error PCC-02438: Arrays of collection objects are not allowed?

In this post, you’ll learn more about the Oracle ErrorPCC-02438: Arrays of collection objects are not allowed with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PCC-02438: Arrays of collection objects are not allowed

Reason for the Error PCC-02438: Arrays of collection objects are not allowed

Cause: An array of collections was given in a COLLECTION statement. Only scalar (non-array) collection objects are allowed in any of the COLLECTION statements.

How to fix the Error PCC-02438: Arrays of collection objects are not allowed ?

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

Action: Change the declaration of the Collection host variable so that it is not an array.