> On 3 Apr 2020, at 18:08, Moritz Heffter <mxo...@gmail.com> wrote: > > Well, with a new installation of Catalina on the same machine everything is > working perfectly. On the new system also both package management systems > (brew/port) are now installed. It is not caused by them. Also Command Line > Tools an Xcode are installed. And everything works. > > But what is it that causes this error on my other system? I’ve posted a lldb > backtrace of my old system here: > https://gitlab.com/marnen/lilypond-mac-builder/-/issues/16#note_317315811
Did you install some of the Xcode betas?
