FIX: langs in common docgenerator (#29774)

htdocs/core/class/commondocgenerator.class.php

@@ -4,9 +4,10 @@
  * Copyright (C) 2004		Eric Seigne             <eric.seigne@ryxeo.com>
  * Copyright (C) 2005-2012	Regis Houssin           <regis.houssin@inodbox.com>
  * Copyright (C) 2015       Marcos García           <marcosgdf@gmail.com>
- * Copyright (C) 2016-2023  Charlene Benke           <charlene@patas-monkey.com>
+ * Copyright (C) 2016-2023  Charlene Benke          <charlene@patas-monkey.com>
  * Copyright (C) 2018-2023  Frédéric France         <frederic.france@netlogic.fr>
  * Copyright (C) 2020       Josep Lluís Amador      <joseplluis@lliuretic.cat>
+ * Copyright (C) 2024       Mélina Joum			    <melina.joum@altairis.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -1464,6 +1465,11 @@ public function getExtrafieldsInHtml($object, $outputlangs, $params = array())
 					continue;
 				}
 
+				// Load language if required
+				if (!empty($extrafields->attributes[$object->table_element]['langfile'][$key])) {
+					$outputlangs->load($extrafields->attributes[$object->table_element]['langfile'][$key]);
+				}
+
 				$field = new stdClass();
 				$field->rank = intval($extrafields->attributes[$object->table_element]['pos'][$key]);
 				$field->content = $this->getExtrafieldContent($object, $key, $outputlangs);