diff --git a/phpBB/includes/mcp/mcp_queue.php b/phpBB/includes/mcp/mcp_queue.php
index 7f8719c392..a56a3266de 100644
--- a/phpBB/includes/mcp/mcp_queue.php
+++ b/phpBB/includes/mcp/mcp_queue.php
@@ -156,6 +156,7 @@ class mcp_queue
 
 				$post_id = $request->variable('p', 0);
 				$topic_id = $request->variable('t', 0);
+				$topic_info = [];
 
 				/* @var $phpbb_notifications \phpbb\notification\manager */
 				$phpbb_notifications = $phpbb_container->get('notification_manager');
@@ -1433,6 +1434,8 @@ class mcp_queue
 				}
 			}
 
+			$disapprove_reason_lang = $disapprove_reason_lang ?? '';
+
 			/**
 			 * Perform additional actions during post(s) disapproval
 			 *