Postgres instance seemingly corrupted

https://sentry.gitlab.net/gitlab/gitlabcom/issues/842730/

PG::InternalError: ERROR:  missing chunk number 0 for toast value 258443807 in pg_toast_33614

  /opt/gitlab/embedded/service/gitlab-rails/config/initializers/peek.rb:18:in `async_exec_params'
    super(*args)
  /opt/gitlab/embedded/service/gitlab-rails/config/initializers/peek.rb:18:in `exec_params'
    super(*args)
  active_record/connection_adapters/postgresql_adapter.rb:624:in `block (2 levels) in exec_no_cache'
    @connection.exec_params(sql, type_casted_binds)
  active_support/dependencies/interlock.rb:46:in `block in permit_concurrent_loads'
    yield
  active_support/concurrency/share_lock.rb:185:in `yield_shares'
    yield
...
(159 additional frame(s) were not displayed)

ActiveRecord::StatementInvalid: PG::InternalError: ERROR:  missing chunk number 0 for toast value 258443807 in pg_toast_33614
: SELECT "notes".* FROM "notes" WHERE "notes"."noteable_id" = 22680874 AND "notes"."noteable_type" = 'Issue'

ActiveRecord::StatementInvalid: PG::InternalError: ERROR:  missing chunk number 0 for toast value 258443807 in pg_toast_33614
: SELECT "notes".* FROM "notes" WHERE "notes"."noteable_id" = 22680874 AND "notes"."noteable_type" = 'Issue'