------ --------------------------------------------------------------
Line modules/contrib/localgov_subsites/localgov_subsites.module
------ --------------------------------------------------------------
132 Call to function in_array() requires parameter #3 to be set.
------ --------------------------------------------------------------
------ -------------------------------------------------------------------------------
Line modules/contrib/localgov_subsites/src/Plugin/Block/SubsitesHierarchyTrait.php
(in context of class
Drupal\localgov_subsites\Plugin\Block\SubsitesAbstractBlockBase)
------ -------------------------------------------------------------------------------
113 Call to function in_array() requires parameter #3 to be set.
------ -------------------------------------------------------------------------------
------ -------------------------------------------------------------------------------
Line modules/contrib/localgov_subsites/src/Plugin/Block/SubsitesHierarchyTrait.php
(in context of class Drupal\localgov_subsites\Subsite)
------ -------------------------------------------------------------------------------
113 Call to function in_array() requires parameter #3 to be set.
------ -------------------------------------------------------------------------------
------ --------------------------------------------------------------------------------
Line modules/contrib/localgov_subsites/src/Plugin/Block/SubsitesNavigationBlock.php
------ --------------------------------------------------------------------------------
126 Call to function in_array() requires parameter #3 to be set.
------ --------------------------------------------------------------------------------
With Drupal core moving towards strict types, more info I've added a test pipeline in preparation https://github.com/localgovdrupal/localgov_project/pull/153 which has highlighted some failures which we should fix.