Diagnosis
You attempted to create or display a document. However, a cell or cellarea is selected in the planning layout to which no document can beassigned, for example:

• Lead column


• Header area


• Cell outside the cell area enclosed by the data and lead column

Procedure
To display, create, or edit documents, first select a single ready forinput cell in the planning layout. If you use hierarchies, the cellmust be on the lowest hierarchical level.