From 2d7fae39ce52adcf717e4bf0e6b3d32f8cc22189 Mon Sep 17 00:00:00 2001
From: Marc Koch <marc.koch@propeace.de>
Date: Mon, 23 Jun 2025 11:46:40 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20fix=20bug:=20QueueHelper::storeE?=
 =?UTF-8?q?mail():=20$email=20null=20given?=
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---
 Civi/Mailinglistsync/QueueHelper.php | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Civi/Mailinglistsync/QueueHelper.php b/Civi/Mailinglistsync/QueueHelper.php
index 3f250b5..036ee2a 100644
--- a/Civi/Mailinglistsync/QueueHelper.php
+++ b/Civi/Mailinglistsync/QueueHelper.php
@@ -106,12 +106,14 @@ class QueueHelper {
    * Stores an email address in the queue helper singleton.
    *
    * @param \CRM_Queue_TaskContext $context
-   * @param string $email
+   * @param string|null $email
    *
    * @return bool
    */
-  public static function storeEmail(\CRM_Queue_TaskContext $context, string $email): bool {
-    self::getInstance()->addToEmails($email);
+  public static function storeEmail(\CRM_Queue_TaskContext $context, ?string $email): bool {
+    if (!empty($email)) {
+      self::getInstance()->addToEmails($email);
+    }
     return TRUE;
   }