From 3240a1acb3548d578761aff0ed27775e8470e8da Mon Sep 17 00:00:00 2001
From: Alex Killing <killing@leifos.de>
Date: Mon, 11 Nov 2024 11:08:29 +0100
Subject: [PATCH] 42567: Clicking on the title of some specific Booking Tools
 provokes error

---
 .../BookingManager/Objects/class.ilBookingObjectsTableGUI.php   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/BookingManager/Objects/class.ilBookingObjectsTableGUI.php b/Modules/BookingManager/Objects/class.ilBookingObjectsTableGUI.php
index fa546b8ca946..7f8033e9b5f5 100644
--- a/Modules/BookingManager/Objects/class.ilBookingObjectsTableGUI.php
+++ b/Modules/BookingManager/Objects/class.ilBookingObjectsTableGUI.php
@@ -360,7 +360,7 @@ protected function fillRow(array $a_set): void
         }
 
         if ($has_booking || $this->may_edit) {
-            if (trim($a_set['post_text']) || $a_set['post_file']) {
+            if (trim($a_set['post_text'] ?? "") || $a_set['post_file']) {
                 $items[] = $this->ui_factory->button()->shy(
                     $lng->txt('book_post_booking_information'),
                     $ilCtrl->getLinkTargetByClass("ilbookingprocessgui", 'displayPostInfo')