In the master record for technical objects, there are fields that are dependent on other master record fields. The maintenance planner group, for example, is dependent on the maintenance planning plant.

In certain cases it makes sense to maintain the hierarchically dependent, subordinate fields individually.

If you change data in the superior field using data transfer, it is no longer certain that the data in the individually maintained, dependent fields is still correct. For example, if you change the planning plant, it is not necessarily the case that the new maintenance planner group responsible for a technical object has the same number in the new planning plant as in the old one.

As it cannot be ensured that the data in the individually maintained, dependent fields is still correct, the system automatically clears these fields in such a case, and you must maintain them again where necessary.