From 4ff202a180700ecf9c93d81a0b484e811e5dd0ad Mon Sep 17 00:00:00 2001
From: Michael Kettel <mkettel@gmail.com>
Date: Fri, 12 May 2023 11:24:21 +0200
Subject: [PATCH] Update ButtonBarHook.php

Fix for the following error:  On click of the pageroot in the TYPO3 pagetree, the following error shows up.

PHP Warning: Trying to access array offset on value of type null in /var/www/html/typo3/public/typo3conf/ext/wv_deepltranslate/Classes/Hooks/ButtonBarHook.php line 40
---
 Classes/Hooks/ButtonBarHook.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Classes/Hooks/ButtonBarHook.php b/Classes/Hooks/ButtonBarHook.php
index 9e711617..29eb7fdd 100644
--- a/Classes/Hooks/ButtonBarHook.php
+++ b/Classes/Hooks/ButtonBarHook.php
@@ -37,7 +37,7 @@ public function getButtons(array $params, ButtonBar $buttonBar)
             );
 
             if (
-                $page['module'] === 'glossary'
+                isset($page['module']) && $page['module'] === 'glossary'
                 && $this->getBackendUserAuthentication()
                     ->check('tables_modify', 'tx_wvdeepltranslate_glossaryentry')
             ) {