Diagnosis
The projection for selection contains all fields from the header table.This can affect performance.

System Response
Message, if all fields from the header table are read in the analysisphase in the Archiving Engine.
This message is not an error, but informs you of the potential foroptimization.
Check if the number of fields to be read from the header table can bereduced.
Check if the number of fields to be read in &V2& can be reduced to areal subset of fields (header table).
Fields that are not relevant for the business check, the add-oncalculation, scheduling, or residence time determination should beremoved from the structure.
Only a reduction in fields results in a real data projection to theheader table.