MR and rebase button is not working

Summary

rebase is not working after upgrade to the latest chart

Steps to reproduce

upgrade chart to gitlab-4.7.3 click on rebase in gui dees nothing

Configuration used

same yaml as in previous versions

Current behavior

Clicking rebase on an MR results in no change.

Expected behavior

Clicking rebase results in a rebase of the branch, and updated MR. Subbmiting MR causing 500 Error

Versions

• Chart: gitlab-4.7.3 13.7.3 APP
• Platform:
  • Cloud: AWS
  • Self-hosted: kops
  • Kubernetes: "v1.16.15"
  • Client: "v1.16.15"
  • Server:"v1.16.15"
• Helm: (helm version)
  • Client:"v2.16.2"
  • Server:"v2.16.2"

Relevant logs

2021-01-13T08:55:17.820Z 8 TID-27zng RebaseWorker JID-62e7ff8a950957b74996ac25 INFO: start
2021-01-13T08:55:17.821Z 8 TID-27zng RebaseWorker JID-62e7ff8a950957b74996ac25 INFO: arguments: [10421,89,false]
2021-01-13T08:55:18.195Z 8 TID-28azs PostReceive JID-3ce2a5e0bcdbb5c439febf3d INFO: start
2021-01-13T08:55:18.197Z 8 TID-28azs PostReceive JID-3ce2a5e0bcdbb5c439febf3d INFO: arguments: ["project-12","user-89","fc6ec1645e72fa30e5d67ca71abc56d037ee3b9b fc6ec1645e72fa30e5d67ca71abc56d037ee3b9b refs/heads/ZA-956-lock-email\n",{}]
2021-01-13T08:55:18.203Z 8 TID-28azs PostReceive JID-3ce2a5e0bcdbb5c439febf3d INFO: changes: "fc6ec1645e72fa30e5d67ca71abc56d037ee3b9b fc6ec1645e72fa30e5d67ca71abc56d037ee3b9b refs/heads/ZA-956-lock-email\n"
2021-01-13T08:55:18.228Z 8 TID-2bgz8 ProjectCacheWorker JID-893e55001c8c646075de94e1 INFO: start
2021-01-13T08:55:18.231Z 8 TID-2bgz8 ProjectCacheWorker JID-893e55001c8c646075de94e1 INFO: arguments: [12,[],["repository_size"],true]
2021-01-13T08:55:18.237Z 8 TID-27zng RebaseWorker JID-62e7ff8a950957b74996ac25 INFO: done: 0.418 sec
2021-01-13T08:55:18.240Z 8 TID-22im4 UpdateMergeRequestsWorker JID-6cc84b3ddd681e519fed04b6 INFO: start
2021-01-13T08:55:18.244Z 8 TID-22im4 UpdateMergeRequestsWorker JID-6cc84b3ddd681e519fed04b6 INFO: arguments: [12,89,"fc6ec1645e72fa30e5d67ca71abc56d037ee3b9b","fc6ec1645e72fa30e5d67ca71abc56d037ee3b9b","refs/heads/ZA-956-lock-email"]
2021-01-13T08:55:18.248Z 8 TID-2bgz8 ProjectCacheWorker JID-893e55001c8c646075de94e1 INFO: done: 0.02 sec
2021-01-13T08:55:18.358Z 8 TID-22im4 UpdateMergeRequestsWorker JID-6cc84b3ddd681e519fed04b6 INFO: fail: 0.117 sec
2021-01-13T08:55:18.358Z 8 TID-22im4 WARN: {"context":"Job raised exception","job":{"class":"UpdateMergeRequestsWorker","args":[12,89,"fc6ec1645e72fa30e5d67ca71abc56d037ee3b9b","fc6ec1645e72fa30e5d67ca71abc56d037ee3b9b","refs/heads/ZA-956-lock-email"],"retry":3,"queue":"update_merge_requests","version":0,"jid":"6cc84b3ddd681e519fed04b6","created_at":1610528118.2323513,"meta.user":"k.dziuba","meta.project":"ahoy/zoovu-platform-backend","meta.root_namespace":"ahoy","meta.caller_id":"PostReceive","meta.feature_category":"source_code_management","correlation_id":"01EVXF9NCN5WYD5M2WVJ4D4BH1","enqueued_at":1610528118.2363825},"jobstr":"{\"class\":\"UpdateMergeRequestsWorker\",\"args\":[12,89,\"fc6ec1645e72fa30e5d67ca71abc56d037ee3b9b\",\"fc6ec1645e72fa30e5d67ca71abc56d037ee3b9b\",\"refs/heads/ZA-956-lock-email\"],\"retry\":3,\"queue\":\"update_merge_requests\",\"version\":0,\"jid\":\"6cc84b3ddd681e519fed04b6\",\"created_at\":1610528118.2323513,\"meta.user\":\"k.dziuba\",\"meta.project\":\"ahoy/zoovu-platform-backend\",\"meta.root_namespace\":\"ahoy\",\"meta.caller_id\":\"PostReceive\",\"meta.feature_category\":\"source_code_management\",\"correlation_id\":\"01EVXF9NCN5WYD5M2WVJ4D4BH1\",\"enqueued_at\":1610528118.2363825}"}
2021-01-13T08:55:18.358Z 8 TID-22im4 WARN: ActiveModel::UnknownAttributeError: unknown attribute 'sorted' for MergeRequestDiff.
2021-01-13T08:55:18.358Z 8 TID-22im4 WARN: /srv/gitlab/vendor/bundle/ruby/2.7.0/gems/activemodel-6.0.3.3/lib/active_model/attribute_assignment.rb:52:in `_assign_attribute'



2021-01-13T08:55:18.546Z 8 TID-28azs PostReceive JID-3ce2a5e0bcdbb5c439febf3d WARN: {:class=>"Git::BranchHooksService", :correlation_id=>"01EVXF9NCN5WYD5M2WVJ4D4BH1", :project_id=>12, :project_path=>"ahoy/zoovu-platform-backend", :message=>"Error creating pipeline", :errors=>"Pipeline filtered out by workflow rules.", :pipeline_params=>{:before=>"fc6ec1645e72fa30e5d67ca71abc56d037ee3b9b", :after=>"fc6ec1645e72fa30e5d67ca71abc56d037ee3b9b", :ref=>"refs/heads/ZA-956-lock-email", :variables_attributes=>[], :checkout_sha=>"fc6ec1645e72fa30e5d67ca71abc56d037ee3b9b"}}