From 9bf2b187f9bfc2b5eee44f1fcf3561ace32956cc Mon Sep 17 00:00:00 2001
From: Yannis Hoareau <93135242+YannisHoareau@users.noreply.github.com>
Date: Wed, 12 Mar 2025 18:23:56 +0000
Subject: [PATCH] Fix fatal error occuring if fk_parent_line set to false
 (#33412)

---
 htdocs/core/class/commonobject.class.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 35d777bcef0..9eef2b5f80a 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -3397,7 +3397,9 @@ abstract class CommonObject
 				while ($i < $num) {
 					$row = $this->db->fetch_row($resql);
 					$rows[] = $row[0]; // Add parent line into array rows
-					$children = $this->getChildrenOfLine($row[0], $grandchild);
+					if ($fk_parent_line) {
+						$children = $this->getChildrenOfLine($row[0], $grandchild);
+					}
 					if (!empty($children)) {
 						foreach ($children as $child) {
 							array_push($rows, $child);