diff --git a/htdocs/comm/propal/list.php b/htdocs/comm/propal/list.php
index 98ff1c45194..f87a73b5288 100644
--- a/htdocs/comm/propal/list.php
+++ b/htdocs/comm/propal/list.php
@@ -45,7 +45,7 @@ require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 
 // Load translation files required by the page
-$langs->loadLangs(array('companies','propal','compta','bills','orders','products','deliveries'));
+$langs->loadLangs(array('companies', 'propal', 'compta', 'bills', 'orders', 'products', 'deliveries', 'categories'));
 
 $socid=GETPOST('socid','int');
 
diff --git a/htdocs/compta/facture/list.php b/htdocs/compta/facture/list.php
index 6b0164058c2..2ea640915c2 100644
--- a/htdocs/compta/facture/list.php
+++ b/htdocs/compta/facture/list.php
@@ -50,7 +50,7 @@ require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 if (! empty($conf->commande->enabled)) require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
 
 // Load translation files required by the page
-$langs->loadLangs(array('bills', 'companies', 'products'));
+$langs->loadLangs(array('bills', 'companies', 'products', 'categories'));
 
 $sall=trim((GETPOST('search_all', 'alphanohtml')!='')?GETPOST('search_all', 'alphanohtml'):GETPOST('sall', 'alphanohtml'));
 $projectid=(GETPOST('projectid')?GETPOST('projectid','int'):0);
diff --git a/htdocs/contact/list.php b/htdocs/contact/list.php
index 237b82f78d5..bb8f9497969 100644
--- a/htdocs/contact/list.php
+++ b/htdocs/contact/list.php
@@ -36,7 +36,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 
 // Load translation files required by the page
-$langs->loadLangs(array("companies", "suppliers"));
+$langs->loadLangs(array("companies", "suppliers", "categories"));
 
 $action=GETPOST('action','alpha');
 $massaction=GETPOST('massaction','alpha');
diff --git a/htdocs/fourn/class/fournisseur.facture.class.php b/htdocs/fourn/class/fournisseur.facture.class.php
index a4b89edff42..28c20af9371 100644
--- a/htdocs/fourn/class/fournisseur.facture.class.php
+++ b/htdocs/fourn/class/fournisseur.facture.class.php
@@ -3125,10 +3125,10 @@ class SupplierInvoiceLine extends CommonObjectLine
         $sql.= " ".$this->product_type.",";
         $sql.= " ".price2num($this->remise_percent).",";
         $sql.= " ".price2num($this->subprice).",";
-        $sql.= " ".price2num($this->total_ttc/$this->qty).",";
+        $sql.= " ".(! empty($this->qty)?price2num($this->total_ttc / $this->qty):price2num($this->total_ttc)).",";
         $sql.= " ".(! empty($this->date_start)?"'".$this->db->idate($this->date_start)."'":"null").",";
         $sql.= " ".(! empty($this->date_end)?"'".$this->db->idate($this->date_end)."'":"null").",";
-        $sql.= ' '.(!empty($this->fk_code_ventilation)?$this->fk_code_ventilation:0).',';
+        $sql.= ' '.(! empty($this->fk_code_ventilation)?$this->fk_code_ventilation:0).',';
         $sql.= ' '.$this->rang.',';
         $sql.= ' '.$this->special_code.',';
         $sql.= " '".$this->db->escape($this->info_bits)."',";
diff --git a/htdocs/user/card.php b/htdocs/user/card.php
index b4aed9f7844..9c3c51590a7 100644
--- a/htdocs/user/card.php
+++ b/htdocs/user/card.php
@@ -6,7 +6,7 @@
  * Copyright (C) 2005-2018 Regis Houssin        <regis.houssin@inodbox.com>
  * Copyright (C) 2005      Lionel Cousteix      <etm_ltd@tiscali.co.uk>
  * Copyright (C) 2011      Herve Prot           <herve.prot@symeos.com>
- * Copyright (C) 2012      Juanjo Menent        <jmenent@2byte.es>
+ * Copyright (C) 2012-2018 Juanjo Menent        <jmenent@2byte.es>
  * Copyright (C) 2013      Florian Henry        <florian.henry@open-concept.pro>
  * Copyright (C) 2013-2016 Alexandre Spangaro   <aspangaro.dolibarr@gmail.com>
  * Copyright (C) 2015-2017 Jean-François Ferry  <jfefe@aternatik.fr>
@@ -154,7 +154,7 @@ if (empty($reshook)) {
 				$langs->load("errors");
 				setEventMessages($langs->trans("ErrorUserCannotBeDelete"), null, 'errors');
 			} else {
-				header("Location: index.php?restore_lastsearch_values=1");
+				header("Location: ".DOL_URL_ROOT."/user/list.php?restore_lastsearch_values=1");
 				exit;
 			}
 		}
diff --git a/htdocs/user/group/card.php b/htdocs/user/group/card.php
index f4b484a72e0..1be76e8fb4d 100644
--- a/htdocs/user/group/card.php
+++ b/htdocs/user/group/card.php
@@ -4,6 +4,7 @@
  * Copyright (C) 2005-2017	Regis Houssin		<regis.houssin@inodbox.com>
  * Copyright (C) 2011		Herve Prot			<herve.prot@symeos.com>
  * Copyright (C) 2012		Florian Henry		<florian.henry@open-concept.pro>
+ * Copyright (C) 2018		Juanjo Menent		<jmenent@2byte.es>
  *
  * 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
@@ -110,7 +111,7 @@ if (empty($reshook)) {
 		{
 			$object->fetch($id);
 			$object->delete();
-			header("Location: index.php?restore_lastsearch_values=1");
+			header("Location: ".DOL_URL_ROOT."/user/group/list.php?restore_lastsearch_values=1");
 			exit;
 		}
 		else