text: 
  -- isdirected still exists as DB-column but is not used in the business logic anymore.
  -- we need to deactivate the former bi-directional RTs because many or all don'T work and clutter the log with errors
  update ad_relationtype set isactive='N', updated='2021-09-23 06:25', updatedby=99 where isdirected='N' and isactive='Y';
  
  -- although, this old relation-type does work and is in fact needed 
  update ad_relationtype set isactive='Y', isdirected='N' where internalname='C_OLCandProcessor_1000003<=>C_OLCand';
  