Approvers show up as "none" even though one is assigned

Summary

One of my colleagues does not show up as approver even though he can be assigned in the approver dialog.

Steps to reproduce

  1. Edit MR, Edit approvers
  2. Assign Benjamin as approver, close dialog via "Update Approvers" (Screenshot 1)
  3. MR still shows "None" as approvers (Screenshot 2)

Some more details: Opening the dialog again still shows Benjamin assigned Saving the edited MR still shows "None" as approvers Editing again still show "None", but Benjamin is visible when opening the Approvers dialog again When adding another colleague, only that colleauge shows up as approver. Both are visible in the Approvers dialog.

What is the current bug behavior?

Assigned approver does not show up in approvers list only in the edit dialogue) and can not approve the MR

What is the expected correct behavior?

All assigned approvers should show up in the list and be able to approve the MR.

Relevant logs and/or screenshots

Screenshot_from_2019-06-17_14-00-19Screenshot_from_2019-06-17_14-00-09

Output of checks

Results of GitLab environment info

Expand for output related to GitLab environment info 
System information
System:		Ubuntu 18.04
Proxy:		no
Current User:	git
Using RVM:	no
Ruby Version:	2.5.3p105
Gem Version:	2.7.9
Bundler Version:1.17.3
Rake Version:	12.3.2
Redis Version:	3.2.12
Git Version:	2.21.0
Sidekiq Version:5.2.7
Go Version:	unknown

GitLab information
Version:	11.11.3-ee
Revision:	8c5c506955e
Directory:	/opt/gitlab/embedded/service/gitlab-rails
DB Adapter:	PostgreSQL
DB Version:	9.6.11
URL:		https://git.wesustain.net
HTTP Clone URL:	https://git.wesustain.net/some-group/some-project.git
SSH Clone URL:	git@git.wesustain.net:some-group/some-project.git
Elasticsearch:	no
Geo:		no
Using LDAP:	no
Using Omniauth:	yes
Omniauth Providers:


GitLab Shell
Version:	9.1.0
Repository storage paths:
  • default: /var/opt/gitlab/git-data/repositories GitLab Shell path: /opt/gitlab/embedded/service/gitlab-shell Git: /opt/gitlab/embedded/bin/git

Results of GitLab application Check

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Checking GitLab subtasks ...

Checking GitLab Shell ...


GitLab Shell: ... GitLab Shell version >= 9.1.0 ? ... OK (9.1.0)
Running /opt/gitlab/embedded/service/gitlab-shell/bin/check
Check GitLab API access: OK
Redis available via internal API: OK


Access to /var/opt/gitlab/.ssh/authorized_keys: OK
gitlab-shell self-check successful


Checking GitLab Shell ... Finished


Checking Gitaly ...


Gitaly: ... default ... OK


Checking Gitaly ... Finished


Checking Sidekiq ...


Sidekiq: ... Running? ... yes
Number of Sidekiq processes ... 1


Checking Sidekiq ... Finished


Checking Incoming Email ...


Incoming Email: ... Checking Reply by email ...


IMAP server credentials are correct? ... yes
Init.d configured correctly? ... skipped
MailRoom running? ... skipped


Checking Reply by email ... Finished


Checking Incoming Email ... Finished


Checking LDAP ...


LDAP: ... LDAP is disabled in config/gitlab.yml


Checking LDAP ... Finished


Checking GitLab App ...


Git configured correctly? ... yes
Database config exists? ... yes
All migrations up? ... yes
Database contains orphaned GroupMembers? ... no
GitLab config exists? ... yes
GitLab config up to date? ... yes
Log directory writable? ... yes
Tmp directory writable? ... yes
Uploads directory exists? ... yes
Uploads directory has correct permissions? ... yes
Uploads directory tmp has correct permissions? ... yes
Init script exists? ... skipped (omnibus-gitlab has no init script)
Init script up-to-date? ... skipped (omnibus-gitlab has no init script)
Projects have namespace: ...
4/2 ... yes
3/3 ... yes
3/5 ... yes
3/6 ... yes
1/7 ... yes
1/8 ... yes
3/9 ... yes
1/10 ... yes
3/11 ... yes
4/12 ... yes
6/13 ... yes
2/14 ... yes
6/15 ... yes
3/16 ... yes
3/17 ... yes
3/18 ... yes
3/19 ... yes
1/20 ... yes
18/24 ... yes
18/26 ... yes
3/28 ... yes
3/29 ... yes
3/30 ... yes
6/31 ... yes
5/32 ... yes
3/33 ... yes
20/34 ... yes
4/35 ... yes
20/37 ... yes
23/38 ... yes
25/39 ... yes
37/40 ... yes
5/41 ... yes
28/42 ... yes
5/43 ... yes
37/44 ... yes
1/45 ... yes
Redis version >= 2.8.0? ... yes
Ruby version >= 2.5.3 ? ... yes (2.5.3)
Git version >= 2.21.0 ? ... yes (2.21.0)
Git user has default SSH configuration? ... yes
Active users: ... 15
Elasticsearch version 5.6 - 6.x? ... skipped (elasticsearch is disabled)


Checking GitLab App ... Finished


Checking GitLab subtasks ... Finished
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