[-] BO : added important check of the default language for ObjectModel multilang properties

classes/ObjectModel.php

@@ -859,6 +859,8 @@ abstract class ObjectModelCore
 			$values = $this->$field;
 			if (!is_array($values))
 				$values = array($this->id_lang => $values);
+			if (!isset($values[Configuration::get('PS_LANG_DEFAULT')]))
+				$values[Configuration::get('PS_LANG_DEFAULT')] = '';
 
 			foreach ($values as $id_lang => $value)
 			{

controllers/admin/AdminImportController.php

@@ -645,7 +645,7 @@ class AdminImportControllerCore extends AdminController
 		do $uniqid_path = _PS_UPLOAD_DIR_.uniqid(); while (file_exists($uniqid_path));
 		file_put_contents($uniqid_path, $field);
 		$tab = '';
-		if(!empty($uniqid_path))
+		if (!empty($uniqid_path))
 		{
 			$fd = fopen($uniqid_path, 'r');
 			$tab = fgetcsv($fd, MAX_LINE_SIZE, $separator);