Unable to create new board on group

Summary

I can't create new board in group.

Steps to reproduce

Go in a group or in a subgroup and try to create an new board.

What is the current bug behavior?

The link to create an new board is not displayed.

What is the expected correct behavior?

Display the create new board button

Relevant logs and/or screenshots

This error in the browser console:

[Vue warn]: Error in data(): "TypeError: Cannot read property 'hasAttribute' of null"

(found in <Root>)
t.(anonymous function) @ console.js:32
console.js:32 TypeError: Cannot read property 'hasAttribute' of null
    at $n.data (index.js:264)
    at $n.<anonymous> (vue.esm.js:1176)
    at vue.esm.js:3417
    at vue.esm.js:3374
    at un (vue.esm.js:3311)
    at $n.t._init (vue.esm.js:4628)
    at new $n (vue.esm.js:4729)
    at t.a (index.js:255)
    at HTMLDocument.<anonymous> (index.js:8)
    at HTMLDocument.a (raven.js:360)
t.(anonymous function) @ console.js:32

Output of checks

This bug happens on Gitlab Enterprise Starter on prem instance

Results of GitLab environment info

Expand for output related to GitLab environment info

System information
System:         CentOS 6.x
Proxy:          no
Current User:   git
Using RVM:      no
Ruby Version:   2.3.7p456
Gem Version:    2.6.14
Bundler Version:1.13.7
Rake Version:   12.3.1
Redis Version:  3.2.11
Git Version:    2.16.4
Sidekiq Version:5.0.5
Go Version:     unknown
GitLab information
Version:        10.8.2-ee
Revision:       1ae1e59
Directory:      /opt/gitlab/embedded/service/gitlab-rails
DB Adapter:     postgresql
DB Version:     9.6.8
URL:            https://xxxxxx
HTTP Clone URL: https://xxxxxx/some-group/some-project.git
SSH Clone URL:  git@xxxxxx:some-group/some-project.git
Elasticsearch:  no
Geo:            no
Using LDAP:     yes
Using Omniauth: no
GitLab Shell
Version:        7.1.2
Repository storage paths:

• default: /xxxxxx/projects/repositories Hooks: /opt/gitlab/embedded/service/gitlab-shell/hooks Git: /opt/gitlab/embedded/bin/git