Diagnosis
The initial entry, that is usually created when activating, is missingin the master data table of the characteristic.

System Response
When executing queries, data is only partially displayed or is notdisplayed at all.

Procedure
It is possible that data has been deleted manually or using a programfrom the master data. Since other important data can also be lost bythis, you really must find the cause of this problem.
The initial entry can be generated by reactivating the characteristic.It is possible that you may have to manually set the characteristic to'inactive' before this.