From 6d72ab8c8f115e65eb2bf1d4a5c80e5bc3d37a8d Mon Sep 17 00:00:00 2001
From: iszmais <iszmais@databay.de>
Date: Fri, 23 Jan 2026 18:58:45 +0100
Subject: [PATCH] remove table default sort field when its deleted

---
 .../ILIAS/DataCollection/classes/Table/class.ilDclTable.php   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/components/ILIAS/DataCollection/classes/Table/class.ilDclTable.php b/components/ILIAS/DataCollection/classes/Table/class.ilDclTable.php
index 6dad337c65bf..c07a96fc78c3 100755
--- a/components/ILIAS/DataCollection/classes/Table/class.ilDclTable.php
+++ b/components/ILIAS/DataCollection/classes/Table/class.ilDclTable.php
@@ -336,6 +336,10 @@ public function deleteField(int $field_id): void
         }
 
         $field->doDelete();
+        if ($this->getDefaultSortField() === $field->getId()) {
+            $this->setDefaultSortField('');
+            $this->doUpdate();
+        }
     }
 
     public function getField(string $field_id): ?ilDclBaseFieldModel