Security on PEL on F3211

Hi Experts,

I have this issue. We have a configured item with two levels. The first level is commercial level (with commercial segments that will be configured by commercial users). The second level is technical level (with technical segments that are defaulted by the system. We have entered a lot of different fake sales orders, with different configurations. Commercial users will copy one of those fake orders and create another sales order and will change the commercial segments; technical segments are copied from the fake order. The problem is that we need to lock those techical segments and avoid changes from commercial