STEP 1
In WP1 system, enter transaction ZWFAT228
STEP 2
Check the following links:
CDPRF code to BFC activity 1 code,
ENTRP code to BFC group of activities if a new group of activities has been created
ZSECT code link to BFC GBU code
Even if a certain activity code is only implemented in PF1, it has to be added in this table so that BW is able to read the required info.