diff --git a/htdocs/comm/action/card.php b/htdocs/comm/action/card.php
index b4a9f8b5395..7378e35db80 100644
--- a/htdocs/comm/action/card.php
+++ b/htdocs/comm/action/card.php
@@ -852,8 +852,10 @@ if ($id > 0)
 	$result4=$object->fetch_userassigned();
 	$result5=$object->fetch_optionals($id,$extralabels);
 	
-	if ($listUserAssignedUpdated || $donotclearsession) {
-
+	if ($listUserAssignedUpdated || $donotclearsession) 
+	{
+        $percentage=in_array(GETPOST('status'),array(-1,100))?GETPOST('status'):(in_array(GETPOST('complete'),array(-1,100))?GETPOST('complete'):GETPOST("percentage"));	// If status is -1 or 100, percentage is not defined and we must use status
+	
 		$datep=dol_mktime($fulldayevent?'00':$aphour, $fulldayevent?'00':$apmin, 0, $_POST["apmonth"], $_POST["apday"], $_POST["apyear"]);
 		$datef=dol_mktime($fulldayevent?'23':$p2hour, $fulldayevent?'59':$p2min, $fulldayevent?'59':'0', $_POST["p2month"], $_POST["p2day"], $_POST["p2year"]);
 
@@ -1028,7 +1030,7 @@ if ($id > 0)
 
 		// Status
 		print '<tr><td class="nowrap">'.$langs->trans("Status").' / '.$langs->trans("Percentage").'</td><td colspan="3">';
-		$percent=GETPOST("percentage")?GETPOST("percentage"):$object->percentage;
+		$percent = GETPOST("percentage") ? GETPOST("percentage"): $object->percentage;
 		$formactions->form_select_status_action('formaction',$percent,1);
 		print '</td></tr>';
 
diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index aabb64d289c..de88cf0efdf 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -1166,14 +1166,9 @@ class Propal extends CommonObject
         }
 
         $clonedObj->id=0;
+        $clonedObj->ref='';
         $clonedObj->statut=self::STATUS_DRAFT;
 
-        if (empty($conf->global->PROPALE_ADDON) || ! is_readable(DOL_DOCUMENT_ROOT ."/core/modules/propale/".$conf->global->PROPALE_ADDON.".php"))
-        {
-            $this->error='ErrorSetupNotComplete';
-            return -1;
-        }
-
         // Clear fields
         $clonedObj->user_author	= $user->id;
         $clonedObj->user_valid	= '';
@@ -1182,12 +1177,6 @@ class Propal extends CommonObject
         $clonedObj->fin_validite	= $clonedObj->date + ($clonedObj->duree_validite * 24 * 3600);
         if (empty($conf->global->MAIN_KEEP_REF_CUSTOMER_ON_CLONING)) $clonedObj->ref_client	= '';
 
-        // Set ref
-        require_once DOL_DOCUMENT_ROOT ."/core/modules/propale/".$conf->global->PROPALE_ADDON.'.php';
-        $obj = $conf->global->PROPALE_ADDON;
-        $modPropale = new $obj;
-        $clonedObj->ref = $modPropale->getNextValue($objsoc,$clonedObj);
-
         // Create clone
 
         $result=$clonedObj->create($user);
diff --git a/htdocs/contact/class/contact.class.php b/htdocs/contact/class/contact.class.php
index 3b4fa942f81..de491744d57 100644
--- a/htdocs/contact/class/contact.class.php
+++ b/htdocs/contact/class/contact.class.php
@@ -125,9 +125,9 @@ class Contact extends CommonObject
 		$sql.= " FROM ".MAIN_DB_PREFIX."socpeople as sp";
 		if (!$user->rights->societe->client->voir && !$user->societe_id)
 		{
-		    $sql.= " OUTER JOIN ".MAIN_DB_PREFIX."societe as s ON sp.fk_soc = s.rowid";
-		    $sql.= " OUTER JOIN ".MAIN_DB_PREFIX."societe_commerciaux as sc ON s.rowid = sc.fk_soc";
-			$sql.= " WHERE sc.fk_user = " .$user->id;
+		    $sql.= ", ".MAIN_DB_PREFIX."societe as s";
+		    $sql.= ", ".MAIN_DB_PREFIX."societe_commerciaux as sc";
+			$sql.= " WHERE sp.fk_soc = s.rowid AND s.rowid = sc.fk_soc AND sc.fk_user = " .$user->id;
 			$clause = "AND";
 		}
 		$sql.= ' '.$clause.' sp.entity IN ('.getEntity($this->element, 1).')';
diff --git a/htdocs/core/boxes/box_services_contracts.php b/htdocs/core/boxes/box_services_contracts.php
index 9f71a98e77f..752509a0616 100644
--- a/htdocs/core/boxes/box_services_contracts.php
+++ b/htdocs/core/boxes/box_services_contracts.php
@@ -70,15 +70,12 @@ class box_services_contracts extends ModeleBoxes
 			$sql.= " cd.rowid as cdid, cd.tms as datem, cd.statut, cd.label, cd.description, cd.product_type as type,";
 			$sql.= " p.rowid as product_id, p.ref as product_ref";
 			$sql.= " FROM (".MAIN_DB_PREFIX."societe as s";
-			$sql.= ", ".MAIN_DB_PREFIX."contrat as c";
-			$sql.= ", ".MAIN_DB_PREFIX."contratdet as cd";
+			$sql.= " INNER JOIN ".MAIN_DB_PREFIX."contrat as c ON s.rowid = c.fk_soc";
+			$sql.= " INNER JOIN ".MAIN_DB_PREFIX."contratdet as cd ON c.rowid = cd.fk_contrat";
 			$sql.= " LEFT JOIN ".MAIN_DB_PREFIX."product as p ON cd.fk_product = p.rowid";
-			if (!$user->rights->societe->client->voir && !$user->societe_id) $sql.= ", ".MAIN_DB_PREFIX."societe_commerciaux as sc";
+			if (!$user->rights->societe->client->voir && !$user->societe_id) $sql.= "INNER JOIN ".MAIN_DB_PREFIX."societe_commerciaux as sc ON s.rowid = sc.fk_soc AND sc.fk_user = " .$user->id;
 			$sql.= ")";
 			$sql.= " WHERE c.entity = ".$conf->entity;
-			$sql.= " AND s.rowid = c.fk_soc";
-			$sql.= " AND c.rowid = cd.fk_contrat";
-			if (!$user->rights->societe->client->voir && !$user->societe_id) $sql.= " AND s.rowid = sc.fk_soc AND sc.fk_user = " .$user->id;
 			if($user->societe_id) $sql.= " AND s.rowid = ".$user->societe_id;
 			$sql.= $db->order("c.tms","DESC");
 			$sql.= $db->plimit($max, 0);
diff --git a/htdocs/core/lib/treeview.lib.php b/htdocs/core/lib/treeview.lib.php
index 6fc0c9f013f..db0fcd07fae 100644
--- a/htdocs/core/lib/treeview.lib.php
+++ b/htdocs/core/lib/treeview.lib.php
@@ -97,7 +97,7 @@ function tree_showpad(&$fulltree,$key,$silent=0)
 // ------------------------------- Used by menu editor, category view, ... -----------------
 
 /**
- *  Recursive function to output menu tree. <ul id="iddivjstree"><li>...</li></ul>
+ *  Recursive function to output a tree. <ul id="iddivjstree"><li>...</li></ul>
  *  It is also used for the tree of categories.
  *  Note: To have this function working, check you have loaded the js and css for treeview.
  *  $arrayofjs=array('/includes/jquery/plugins/jquerytreeview/jquery.treeview.js',
@@ -106,7 +106,7 @@ function tree_showpad(&$fulltree,$key,$silent=0)
  *  TODO Replace with jstree plugin instead of treeview plugin.
  *
  *  @param	array	$tab    		Array of all elements
- *  @param  int	    $pere   		Array with parent ids ('rowid'=>,'mainmenu'=>,'leftmenu'=>,'fk_mainmenu=>,'fk_leftmenu=>)
+ *  @param  array   $pere   		Array with parent ids ('rowid'=>,'mainmenu'=>,'leftmenu'=>,'fk_mainmenu=>,'fk_leftmenu=>)
  *  @param  int	    $rang   		Level of element
  *  @param	string	$iddivjstree	Id to use for parent ul element
  *  @param  int     $donoresetalreadyloaded     Do not reset global array $donoresetalreadyloaded used to avoid to go down on an aleady processed record
@@ -139,7 +139,10 @@ function tree_recur($tab, $pere, $rang, $iddivjstree='iddivjstree', $donoresetal
 		print '<ul id="'.$iddivjstree.'">';
 	}
 	
-	if ($rang > 50)	return;	// Protect against infinite loop. Max 50 depth
+	if ($rang > 50)	
+	{
+	    return;	// Protect against infinite loop. Max 50 depth
+	}
 
 	//ballayage du tableau
 	$sizeoftab=count($tab);
diff --git a/htdocs/user/class/user.class.php b/htdocs/user/class/user.class.php
index a3f213ff417..6e4d033e093 100644
--- a/htdocs/user/class/user.class.php
+++ b/htdocs/user/class/user.class.php
@@ -1670,7 +1670,6 @@ class User extends CommonObject
 		// Define $urlwithroot
 		$urlwithouturlroot=preg_replace('/'.preg_quote(DOL_URL_ROOT,'/').'$/i','',trim($dolibarr_main_url_root));
 		$urlwithroot=$urlwithouturlroot.DOL_URL_ROOT;		// This is to use external domain name found into config file
-		//$urlwithroot=DOL_MAIN_URL_ROOT;						// This is to use same domain name than current
 
 		if (! $changelater)
 		{
@@ -2573,7 +2572,12 @@ class User extends CommonObject
 		dol_syslog(get_class($this)."::get_full_tree call to build_path_from_id_user", LOG_DEBUG);
 		foreach($this->users as $key => $val)
 		{
-			$this->build_path_from_id_user($key,0);	// Process a branch from the root user key (this user has no parent)
+			$result = $this->build_path_from_id_user($key,0);	// Process a branch from the root user key (this user has no parent)
+			if ($result < 0) 
+			{
+			    $this->error='ErrorLoopInHierarchy';
+			    return -1;
+			}
 		}
 
 		// Exclude leaf including $deleteafterid from tree
@@ -2643,10 +2647,10 @@ class User extends CommonObject
 	 *  Function called by get_full_tree().
 	 *
 	 * 	@param		int		$id_user		id_user entry to update
-	 * 	@param		int		$protection		Deep counter to avoid infinite loop
-	 *	@return		void
+	 * 	@param		int		$protection		Deep counter to avoid infinite loop (no more required, a protection is added with array useridfound)
+	 *	@return		int                     < 0 if KO (infinit loop), >= 0 if OK
 	 */
-	function build_path_from_id_user($id_user,$protection=1000)
+	function build_path_from_id_user($id_user,$protection=0)
 	{
 		dol_syslog(get_class($this)."::build_path_from_id_user id_user=".$id_user." protection=".$protection, LOG_DEBUG);
 
@@ -2654,7 +2658,7 @@ class User extends CommonObject
 		{
 			// Already defined
 			dol_syslog(get_class($this)."::build_path_from_id_user fullpath and fullname already defined", LOG_WARNING);
-			return;
+			return 0;
 		}
 
 		// Define fullpath and fullname
@@ -2662,9 +2666,16 @@ class User extends CommonObject
 		$this->users[$id_user]['fullname'] = $this->users[$id_user]['lastname'];
 		$i=0; $cursor_user=$id_user;
 
-		while ((empty($protection) || $i < $protection) && ! empty($this->parentof[$cursor_user]))
+		$useridfound=array($id_user);
+		while (! empty($this->parentof[$cursor_user]))
 		{
-			$this->users[$id_user]['fullpath'] = '_'.$this->parentof[$cursor_user].$this->users[$id_user]['fullpath'];
+			if (in_array($this->parentof[$cursor_user], $useridfound)) 
+			{
+				dol_syslog("The hierarchy of user has a recursive loop", LOG_WARNING);
+				return -1;     // Should not happen. Protection against looping hierarchy
+			}
+			$useridfound[]=$this->parentof[$cursor_user];
+		    $this->users[$id_user]['fullpath'] = '_'.$this->parentof[$cursor_user].$this->users[$id_user]['fullpath'];
 			$this->users[$id_user]['fullname'] = $this->users[$this->parentof[$cursor_user]]['lastname'].' >> '.$this->users[$id_user]['fullname'];
 			$i++; $cursor_user=$this->parentof[$cursor_user];
 		}
@@ -2672,7 +2683,7 @@ class User extends CommonObject
 		// We count number of _ to have level
 		$this->users[$id_user]['level']=dol_strlen(preg_replace('/[^_]/i','',$this->users[$id_user]['fullpath']));
 
-		return;
+		return 1;
 	}
 
 	/**
diff --git a/htdocs/user/hierarchy.php b/htdocs/user/hierarchy.php
index 9c5dd745347..bb558bd56b3 100644
--- a/htdocs/user/hierarchy.php
+++ b/htdocs/user/hierarchy.php
@@ -71,9 +71,15 @@ print load_fiche_titre($langs->trans("ListOfUsers"). ' ('.$langs->trans("Hierarc
 // Load hierarchy of users
 $user_arbo = $userstatic->get_full_tree(0, ($search_statut != '' && $search_statut >= 0) ? "statut = ".$search_statut : '');
 
+if (! is_array($user_arbo) && $user_arbo < 0)
+{
+    setEventMessages($userstatic->error, $userstatic->errors, 'warnings');    
+}
+else
+{
 // Define fulltree array
 $fulltree=$user_arbo;
-
+//var_dump($fulltree);
 // Define data (format for treeview)
 $data=array();
 $data[] = array('rowid'=>0,'fk_menu'=>-1,'title'=>"racine",'mainmenu'=>'','leftmenu'=>'','fk_mainmenu'=>'','fk_leftmenu'=>'');
@@ -131,6 +137,7 @@ foreach($fulltree as $key => $val)
 	);
 }
 
+//var_dump($data);
 
 print '<form method="POST" id="searchFormList" action="'.$_SERVER["PHP_SELF"].'">'."\n";
 
@@ -185,6 +192,7 @@ else
 
 print "</table>";
 print "</form>\n";
+}
 
 //
 /*print '<script type="text/javascript" language="javascript">