Fix database relation declaration (#514)

* Fix(Core): Fix invalid relations declared

* adapt changelog

Author: stonebuzz

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [UNRELEASED]
+
+### Fixed
+
+- Fix warning: Invalid relations declared between `glpi_plugin_order_accountsections` and `glpi_plugin_order_accountsections` table.
+
 ## [2.12.3] - 2025-11-25
 
 ### Fixed

hook.php

@@ -177,7 +177,7 @@ function plugin_order_getDatabaseRelations()
                 "glpi_plugin_order_orders_suppliers" => "plugin_order_orders_id",
             ],
             "glpi_plugin_order_accountsections" => [
-                "glpi_plugin_order_accountsections" => "plugin_order_accountsections_id",
+                "glpi_plugin_order_orders" => "plugin_order_accountsections_id",
             ],
             "glpi_plugin_order_analyticnatures" => [
                 "glpi_plugin_order_orders_items" => "plugin_order_analyticnatures_id",