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Environment: Gitlab is running under docker
Error with ActiveModel::UnknownAttributeError (unknown attribute ‘author_name’ for SecurityEvent.):
$ docker exec -it gitlab /bin/bash
gitlab$ cd /var/opt/gitlab
gitlab$ gitlab-rake cache:clear
gitlab$ gitlab-rake db:migrate # This will migrate to latest database.
gitlab$ gitlab-rake gitlab:assets:clean gitlab:assets:compile cache:clear