I just tried out emacs27 and what replicated Malte's experience. But even after reloading my environment emacs28 doesn't work. On 9/8/20 7:40 AM, Malte Gerdes wrote: > Hi, > > I had a similar error yesterday, with emacs27. Turned out I had to > reload my environment because some variables still pointed to emacs 26.3 > directories which didn't exist anymore. > > Malte > > On Tue, 8 Sep 2020, 14:25 Martin Becze, > wrote: > > emacs-next recently broke. It now has this error on start up. > > "require: Cannot open load file: No such file or directory, seq" > > I think this must have happened relatively recently (with the last 3 > weeks) since it was working fine earlier. >