Diagnosis
The item of the reference document cannot be copied.
This could be caused by one of the following reasons:

• The item could not be copied because of the rules for copying control.


• The material does not exist or is marked for deletion.


• The item category of the reference item is not allowed and no
appropriate item catagory could be determined.

• The material is not allowed because of exclusion.


• The material is not allowed because of missing listing.


• The material cannot be copied because of the material status.

Procedure
Check these reasons.