ActiveRecord::StaleObjectError: Attempted to update a stale object: MergeRequest.
https://sentry.gitlab.net/gitlab/devgitlaborg/issues/598736/
ActiveRecord::StaleObjectError: Attempted to update a stale object: MergeRequest.
/opt/gitlab/embedded/service/gitlab-rails/config/initializers/active_record_locking.rb:43:in `_update_record'
raise ActiveRecord::StaleObjectError.new(self, "update")
active_record/attribute_methods/dirty.rb:119:in `_update_record'
partial_writes? ? super(keys_for_partial_write) : super
active_record/callbacks.rb:306:in `block in _update_record'
_run_update_callbacks { super }
active_support/callbacks.rb:126:in `call'
env.value = !env.halted && (!block || block.call)
active_support/callbacks.rb:506:in `block (2 levels) in compile'
final_sequence = CallbackSequence.new { |env| Filters::ENDING.call(env) }
...
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ActiveRecord::StaleObjectError: Attempted to update a stale object: MergeRequest.