Diagnosis
The logical database with which the functional area was created waschanged incompatibly. In particular, the table specified in the errormessage was removed from the tree, but this table is evaluated byqueries on this functional area.
This functional area cannot be changed or generated again as long asthere are queries that evaluate the table removed from the tree.

Procedure
With the function Goto -> Query directory in the initial screenof the functional area maintenance, determine which queries of thefunctional area use this table and delete the queries or change them sothat the table is no longer used. You can then try again to change orgenerate the functional area.