@sam_nazarko I fear the German DVB-T2 pre-defined muxes are missing with current release.
@invariant Have a look here: [TESTING] DVB improvements for Vero 4K take 2 - #24 by JimKnopf
As long as a correct pre-defined mux template for German DVB-T2 is missing, have a look at this post to get the idea to circumvent it.