Project venenux/unigestioncursos was moved to another location.
The project is now located under codeigniterpower / unigestioncursos.
To update the remote url in your local repository run (for ssh):
git remote set-url origin g...@gitlab.com:codeigniterpower/unigestioncursos.git
or for http(s):
git remote set-url origin https://gitlab.com/codeigniterpower/unigestioncursos.git