I think I found the problem.
The sequence is different:
in 7.0 SDCR->SDMI (Correction)
in 7.1 SDCR->SDMJ (Normal Correction)
SDMJ does not have indeed defined SDMJHEAD
Perhaps I have to take some migration steps, but I am still unable to find a topic how to migrate CHARM from 7.0ehp1 to 7.1
Regards
Ilian