Marco,Is 's2' the name of the object being used in your on-page
implementation? If not, then this won't work.When you check the "Adobe
Analytics page code is already present" checkbox, DTM will not a) load
s_code (which means it won't create any new s objects), or b) call s.t()
for the page view. Thus, if you've specified 's2' as the object name,
but your current on-page implementation uses 's' (or some other object
name), then DTM is trying to call s2.tl() which refers to an invalid
object, and...