How to fix the Oracle error PCB-00203: Nested group item “string” not supported?

In this post, you’ll learn more about the Oracle ErrorPCB-00203: Nested group item “string” not supported with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PCB-00203: Nested group item “string” not supported

Reason for the Error PCB-00203: Nested group item “string” not supported

Cause: The variable used as a host variable was a group item which itself contained other group items.

How to fix the Error PCB-00203: Nested group item “string” not supported ?

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

Action: Remove any group items from the group item to be used as a host variable.