How to fix the Oracle error ORA-12842: Cursor invalidated during parallel execution?

In this post, you’ll learn more about the Oracle ErrorORA-12842: Cursor invalidated during parallel execution with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12842: Cursor invalidated during parallel execution

Reason for the Error ORA-12842: Cursor invalidated during parallel execution

The cursor was invalidated during the parse phase of deferred parallel processing, e.g. when set operands are parallelized.

How to fix the Error ORA-12842: Cursor invalidated during parallel execution ?

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

Depends on why the cursor was invalidated. Possible causes include DDL on a schema object and shared pool being flushed.