Diagnosis
The objects you have selected for verification are not read with thecurrent database profile.
This might happen, for example, if you want to check networks, but thedatabase profile does not cover selection of networks.

System Response
INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX LANGUAGE E

Procedure
Change the database profile. When you start the compare report again,the database profile is reset to the one recommended.