Go to released products. Click on the Manage Inventory tab and select default order settings. Click on "Default order settings".
This completely changes the form layout and the customer is unable to revert back to the normal form layout. As a workaround, customer remove the usage data entry for this form in order to reinitialize the layout.
The idea is to provide a reset method to re-initialize the layout instead of the removal of usage date entry for this form.