Fix links

5 jobs for development in 1 minute and 1 second (queued for 1 second)
Status Job ID Name Coverage
  Pages
passed #275625
review:pages

00:00:30

 
  Review
passed #275626
review:start

00:00:23

failed #275627
allowed to fail manual
review:stop

00:00:07

 
  Linkchecker
manual #275629
allowed to fail manual
linkchecker:all
manual #275628
allowed to fail manual
linkchecker:intern
 
Name Stage Failure
failed
review:stop Review
  on tanis 29876808
Using Docker executor with image registry.gitlab.com/pages/hugo:latest ...
Pulling docker image registry.gitlab.com/pages/hugo:latest ...
Using docker image sha256:00c77ccc53887b631c37a5b442dd7db0daf7db34926b8e77dde014c6fd8ccd7b for registry.gitlab.com/pages/hugo:latest ...
Running on runner-29876808-project-4094-concurrent-0 via tanis...
Fetching changes with git depth set to 50...
Reinitialized existing Git repository in /builds/itbh/itbh-informatik-2020/veranstaltungsskript-informatik-2020_21/.git/
fatal: Couldn't find remote ref refs/heads/development
ERROR: Job failed: exit code 1