app/models/concerns/hydra/access_controls/permissions.rb in hydra-access-controls-10.1.0 vs app/models/concerns/hydra/access_controls/permissions.rb in hydra-access-controls-10.2.0

@@ -5,10 +5,10 @@
       include Hydra::AccessControls::Visibility
 
       included do
         belongs_to :access_control, predicate: ::ACL.accessControl, class_name: 'Hydra::AccessControl'
         before_destroy do |obj|
-          access_control.destroy
+          access_control.destroy unless access_control.nil?
         end
         after_save do
           # Only force save if autosave woudn't be called normally
           access_control.save! unless access_control.changed?
         end