How to fix the Oracle error ORA-56700: plan string is a subplan and SUB_PLAN attribute cannot be modified?

In this post, you’ll learn more about the Oracle ErrorORA-56700: plan string is a subplan and SUB_PLAN attribute cannot be modified with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-56700: plan string is a subplan and SUB_PLAN attribute cannot be modified

Reason for the Error ORA-56700: plan string is a subplan and SUB_PLAN attribute cannot be modified

An attempt was made to modify the SUB_PLAN attribute of the specified plan.

How to fix the Error ORA-56700: plan string is a subplan and SUB_PLAN attribute cannot be modified ?

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

Do not attempt to modify the SUB_PLAN attribute.