Work Order modification restriction through Planner Group

Hi,

Our requirement was to restrict modification of Work orders by specific users. For that we assigned particular Planner Group/Plant to users.

The field INGRP for following combination [TCD, IWERK, INGRP] was restricted for a specific user.

Issue:

Notification was created on object Equipment (the Equipment master data have Planner Group 061). But the Planner Group was changed to 021 on Notification. Now Order was created based on this Notification with Planner Group 021.

When user who is assigned Planner Group 021 tries to open the Order, it says no Authorization on Planner Group 061.

What went wrong and how to overcome this issue?

Regards

Faisal