An error during saving general project settings
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Hi all.
There is an issue during saving General project settings section.
Components
- GitLab 9.5.0
- GitLab Shell 5.8.0
- GitLab Workhorse v3.0.0
- GitLab API v4
- Git 2.13.5
- Ruby 2.3.3p222
- Rails 4.2.8
- postgresql 9.6.3
See screenshot and log message below.

```
Started PATCH "/lapsa/international-lib" for 212.154.153.83 at 2017-08-30 12:17:18 +0600
Processing by ProjectsController#update as JS
Parameters: {"utf8"=>"✓", "authenticity_token"=>"9yiWCiapsvBy0/ZzshaI2/Nc+59y/IHzZB/wNXtvn5unLKvrXSOT7KMTU5MIE79lAW4VDJIM32PHakXRPhz55w==", "project"=>{"name"=>"international-lib", "id"=>"97", "description"=>"", "default_branch"=>"master", "tag_list"=>""}, "commit"=>"Save changes", "namespace_id"=>"lapsa", "id"=>"international-lib"}
Scoped order and limit are ignored, it's forced to be batch order and batch size
Completed 500 Internal Server Error in 61ms (ActiveRecord: 10.1ms)
ActionView::Template::Error (bad decrypt):
1: - if @project.valid?
2: :plain
3: location.href = "#{edit_project_path(@project)}";
4: - else
app/models/project_import_data.rb:21:in `symbolize_credentials'
app/views/projects/update.js.haml:1:in `_app_views_projects_update_js_haml__788013875781794660_70133069568060'
app/controllers/projects_controller.rb:50:in `update'
lib/gitlab/i18n.rb:46:in `with_locale'
lib/gitlab/i18n.rb:52:in `with_user_locale'
app/controllers/application_controller.rb:326:in `set_locale'
lib/gitlab/middleware/multipart.rb:93:in `call'
lib/gitlab/request_profiler/middleware.rb:14:in `call'
lib/gitlab/middleware/go.rb:16:in `call'
lib/gitlab/etag_caching/middleware.rb:11:in `call'
lib/gitlab/request_context.rb:18:in `call'
lib/gitlab/metrics/requests_rack_middleware.rb:27:in `call'
```
issue