diff --git a/action/rendertoc.php b/action/rendertoc.php
index e39ee97..0e19b99 100644
--- a/action/rendertoc.php
+++ b/action/rendertoc.php
@@ -120,6 +120,11 @@ function handlePostProcess(Doku_Event $event, $param) {
             return;
         }
 
+        // Skip processing for non-existent pages to prevent PHP 8.3 TypeError
+        if (!page_exists($INFO['id'])) {
+            return;
+        }
+
         // TOC Position check
         $tocPosition = @$meta['position'] ?: $this->getConf('tocPosition');
         if ($ACT == 'preview') {
@@ -175,6 +180,11 @@ function handleTocRender(Doku_Event $event, $param) {
             return;
         }
 
+        // Skip processing for non-existent pages to prevent PHP 8.3 TypeError
+        if (!page_exists($INFO['id'])) {
+            return;
+        }
+
         // retrieve toc config parameters from metadata
         $topLv = @$meta['toptoclevel'] ?: $this->getConf('toptoclevel');
         $maxLv = @$meta['maxtoclevel'] ?: $this->getConf('maxtoclevel');
@@ -204,6 +214,11 @@ function handleContentDisplay(Doku_Event $event, $param) {
             return;
         }
 
+        // Skip processing for non-existent pages to prevent PHP 8.3 TypeError
+        if (!page_exists($INFO['id'])) {
+            return;
+        }
+
         // TOC Position check
         $tocPosition = @$meta['position'] ?: $this->getConf('tocPosition');
         if (!in_array($tocPosition, [0,1,2,6])) {