Personal Projects Link Returning 500 Error
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### Summary
When navigating to my projects page and clicking the `Personal` navigation item, I receive a 500 Error in the browser for the following link:
https://gitlab.com/dashboard/projects?personal=true&sort=latest_activity_desc
### Steps to reproduce
Navigate to the above link, either by clicking `Personal` in the `Your Projects` grouping, or by clicking the above link,
### What is the current *bug* behavior?
500 Error in the Browser being Returned
### What is the expected *correct* behavior?
A Listing of my projects is returned
### Relevant logs and/or screenshots

### Output of checks
(If you are reporting a bug on GitLab.com, write: This bug happens on GitLab.com)
#### Results of GitLab environment info
<details>
<summary>Expand for output related to GitLab environment info</summary>
<pre>
(For installations with omnibus-gitlab package run and paste the output of:
`sudo gitlab-rake gitlab:env:info`)
(For installations from source run and paste the output of:
`sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production`)
</pre>
</details>
#### Results of GitLab application Check
<details>
<summary>Expand for output related to the GitLab application check</summary>
<pre>
(For installations with omnibus-gitlab package run and paste the output of:
`sudo gitlab-rake gitlab:check SANITIZE=true`)
(For installations from source run and paste the output of:
`sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production SANITIZE=true`)
(we will only investigate if the tests are passing)
</pre>
</details>
### Possible fixes
(If you can, link to the line of code that might be responsible for the problem)
issue