Deletion of dir was not complete.

htdocs/expedition/class/expedition.class.php

@@ -1037,7 +1037,7 @@ class Expedition extends CommonObject
 								}
 								if (file_exists($dir))
 								{
-									if (!dol_delete_dir($dir))
+									if (!dol_delete_dir_recursive($dir))
 									{
 										$this->error=$langs->trans("ErrorCanNotDeleteDir",$dir);
 										return 0;