Locker violations page -> Clicking on New locker violation triggers an error page

[christinach]

Expected behavior

When I click on /locker_violations/new I expect to see the new form page to create a new locker violation

Actual behavior

When I click on /locker_violations/new I get an error NoMethodError: undefined method location' for nil:NilClass`

Steps to replicate

Go to /locker_violations
Click on the link 'New LockerViolation'

Impact of this bug

E.g. "I can't work until this is fixed" or "I have a workaround"

Honeybadger link and code snippet, if applicable

Honeybadger

Message NoMethodError: undefined method location' for nil:NilClass`

/app/views/locker_violations/_form.html.erb:17:in `block in _app_views_locker_violations__form_html_erb'</div>">
15 | <grid-item columns="lg-2 md-4 sm-12">
-- | --
16 | <strong>Locker:</strong>
17 | <span><%= locker_violation.locker.location %></span>
18 | </grid-item>
19 | <grid-item columns="lg-1 md-4 sm-12">

</div>