materio-d9/patches/hook_flag_access_id_on_null...

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diff --git a/flag_lists.module b/flag_lists.module
index cd81104..1da0c9a 100644
--- a/flag_lists.module
+++ b/flag_lists.module
@@ -240,7 +240,7 @@ function flag_lists_flag_action_access($action, FlagInterface $flag, AccountInte
$flagListsService = Drupal::service('flaglists');
$flagLists = $flagListsService->getAllFlaggingCollections();
foreach ($flagLists as $flagList) {
- if ($flag->id() == $flagList->getRelatedFlag()->id()) {
+ if ($flagList->getRelatedFlag() && $flag->id() == $flagList->getRelatedFlag()->id()) {
if ($flagList->getBaseFlag()->isGlobal()) {
// The flag list is global.
return AccessResult::allowedIfHasPermission($account,