Hi,
please note that STAUTHTRACE is not an ERP / ECC but a Basis feature. You will get a nice version with NW Basis 700 SP27, 701 SP12, 702 SP12, 730 SP8 and 731 SP5 (and it is of course part of NW740). See also SAP Note 1707841 and related Notes.
Regards,
Birger