I tried to upgrade 14.0.5 to 15.0.4, got follwing errors.
while run gitlab-rake reconfigure command getting .. rails_migration[gitlab-rails] (gitlab::database_migrations line 51) had an error: Mixlib::ShellOut::ShellCommandFailed: ....
while run gitlab-rake db:migrage command getting ... pg::duplicateschema: error: schema "gitlab_partitions_dynamic" already exists
***Operating system name: ubuntu 20.04 & Architecture: x86_64 & Ruby version: 2.7.5p203