Error migrating from gitlab 12.2 to 12.4

Hello,

after a lot of migration test I’ll come here to request help.

I have a gitlab-ce installed via Omnibus on Debian 9 like others servers. But in one installation I cannot upgrade freom gitlab 12.2 to gitlab 12.3 and 12.4. I have a lot of errors but I think central errors are here

undefined method `type' for nil:NilClass
/var/gitlab/embedded/service/gitlab-rails/lib/gitlab/database/migration_helpers.rb:1066:in `create_column_from'
/var/gitlab/embedded/service/gitlab-rails/lib/gitlab/database/migration_helpers.rb:462:in `rename_column_concurrently'
/var/gitlab/embedded/service/gitlab-rails/db/migrate/20190822175441_rename_epics_state_to_state_id.rb:11:in `up'
/var/gitlab/embedded/service/gitlab-rails/lib/tasks/gitlab/db.rake:49:in `block (3 levels) in <top (required)>'
/opt/gitlab/embedded/bin/bundle:23:in `load'
/opt/gitlab/embedded/bin/bundle:23:in `<main>'

Caused by:
NoMethodError: undefined method `type' for nil:NilClass
/var/gitlab/embedded/service/gitlab-rails/lib/gitlab/database/migration_helpers.rb:1066:in `create_column_from'
/var/gitlab/embedded/service/gitlab-rails/lib/gitlab/database/migration_helpers.rb:462:in `rename_column_concurrently'
/var/gitlab/embedded/service/gitlab-rails/db/migrate/20190822175441_rename_epics_state_to_state_id.rb:11:in `up'
/var/gitlab/embedded/service/gitlab-rails/lib/tasks/gitlab/db.rake:49:in `block (3 levels) in <top (required)>'
/opt/gitlab/embedded/bin/bundle:23:in `load'
/opt/gitlab/embedded/bin/bundle:23:in `<main>'
Tasks: TOP => db:migrate
(See full trace by running task with --trace)

Does someone know how to resolv that ?

Regards

No ideas about this problems ?

Hello I found the problem with this issue : https://gitlab.com/gitlab-org/gitlab/issues/32489