>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3097934. --> Reported by: [wturrell](https://www.drupal.org/user/3503356) >>> <p>- Menus functioning correctly on public site.<br> - Admin index (/admin/structure/menu-position) working as normal.</p> <p>Getting this when attempting to edit a rule - e.g. /admin/structure/menu-position/myrule</p> <blockquote><p>Call to a member function getAvailableContexts() on null in Drupal\menu_position\Form\MenuPositionRuleForm-&gt;form() (line 75 of /var/www/examplesite/web/modules/contrib/menu_position/src/Form/MenuPositionRuleForm.php) </p></blockquote> <p>Code:</p> <pre>&nbsp;&nbsp;&nbsp; // Set these for use when attaching condition forms.<br>&nbsp;&nbsp;&nbsp; $form_state-&gt;setTemporaryValue('gathered_contexts', $this-&gt;context_repository-&gt;getAvailableContexts());</pre><p>If I add a conditional for that, there's then a subsequent error for line 111:</p> <blockquote><p>Call to a member function getParentSelectOptions() on null </p></blockquote> <p>Debugging suggestions welcome.</p> <p>Drupal core 8.8-rc1<br> menu_position: 8.x-1.0-alpha1 (3 Jan 2019, sha 1e7927c72b1641a88193a5c02d65880a4ee657cdd)</p> > Related issue: [Issue #3094913](https://www.drupal.org/node/3094913)