I am having the same issue- using English version.
I have the same programs installed and of course the same message as you Gerhard-
there is no such directory "/dev/sequencer".
I have found that to be the case with other files, however if it is "probably already in use",
I believe it must exist
Gruß
Katie
(last time I heard Gruß I was in Bayern- in the context of Gruß Gott)
I am having the same issue- using English version.
I have the same programs installed and of course the same message as you Gerhard-
there is no such directory "/dev/sequencer".
I have found that to be the case with other files, however if it is "probably already in use",
I believe it must exist
Gruß
Katie
(last time I heard Gruß I was in Bayern- in the context of Gruß Gott)