diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 70342919792..1b750e59503 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -3923,23 +3923,26 @@ abstract class CommonObject
 		$var = true;
 		$i	 = 0;
 
-		foreach ($this->lines as $line)
+		if (! empty($this->lines))
 		{
-			if (is_object($hookmanager) && (($line->product_type == 9 && ! empty($line->special_code)) || ! empty($line->fk_parent_line)))
+			foreach ($this->lines as $line)
 			{
-				if (empty($line->fk_parent_line))
+				if (is_object($hookmanager) && (($line->product_type == 9 && ! empty($line->special_code)) || ! empty($line->fk_parent_line)))
 				{
-					$parameters=array('line'=>$line,'var'=>$var,'i'=>$i);
-					$action='';
-					$hookmanager->executeHooks('printOriginObjectLine',$parameters,$this,$action);    // Note that $action and $object may have been modified by some hooks
+					if (empty($line->fk_parent_line))
+					{
+						$parameters=array('line'=>$line,'var'=>$var,'i'=>$i);
+						$action='';
+						$hookmanager->executeHooks('printOriginObjectLine',$parameters,$this,$action);    // Note that $action and $object may have been modified by some hooks
+					}
+				}
+				else
+				{
+					$this->printOriginLine($line, $var, $restrictlist);
 				}
-			}
-			else
-			{
-				$this->printOriginLine($line, $var, $restrictlist);
-			}
 
-			$i++;
+				$i++;
+			}
 		}
 	}
 
diff --git a/htdocs/core/class/html.formticketsup.class.php b/htdocs/core/class/html.formticketsup.class.php
index 9cc9a09dbc6..a7f1b7a8d34 100644
--- a/htdocs/core/class/html.formticketsup.class.php
+++ b/htdocs/core/class/html.formticketsup.class.php
@@ -858,7 +858,7 @@ class FormTicketsup
             // Destinataires
             print '<tr class="email_line"><td>' . $langs->trans('MailRecipients') . '</td><td colspan="2">';
             $ticketstat = new Ticketsup($this->db);
-            $res = $ticketstat->fetch('', $this->track_id);
+            $res = $ticketstat->fetch('', '', $this->track_id);
             if ($res) {
                 // Retrieve email of all contacts (internal and external)
                 $contacts = $ticketstat->getInfosTicketInternalContact();
@@ -881,7 +881,7 @@ class FormTicketsup
                     $ticketstat->socid = $ticketstat->fk_soc;
                     $ticketstat->fetch_thirdparty();
 
-                    if (!in_array($ticketstat->thirdparty->email, $sendto)) {
+                    if (is_array($ticketstat->thirdparty->email) && !in_array($ticketstat->thirdparty->email, $sendto)) {
                         $sendto[] = $ticketstat->thirdparty->email . '(' . $langs->trans('Customer') . ')';
                     }
                 }
diff --git a/htdocs/ticketsup/card.php b/htdocs/ticketsup/card.php
index 6d33a5cd9be..b85d53763bf 100644
--- a/htdocs/ticketsup/card.php
+++ b/htdocs/ticketsup/card.php
@@ -134,7 +134,10 @@ include DOL_DOCUMENT_ROOT.'/core/actions_dellink.inc.php';        // Must be inc
 $userstat = new User($db);
 $form = new Form($db);
 $formticket = new FormTicketsup($db);
-$formproject = new FormProjets($db);
+
+if (! empty($conf->projet->enabled)) {
+	$formproject = new FormProjets($db);
+}
 
 if ($action == 'view' || $action == 'add_message' || $action == 'close' || $action == 'delete' || $action == 'editcustomer' || $action == 'progression' || $action == 'reopen'
 	|| $action == 'editsubject' || $action == 'edit_extras' || $action == 'update_extras' || $action == 'edit_extrafields' || $action == 'set_extrafields' || $action == 'classify' || $action == 'sel_contract' || $action == 'edit_message_init' || $action == 'set_status' || $action == 'dellink')
@@ -631,15 +634,15 @@ if ($action == 'view' || $action == 'add_message' || $action == 'close' || $acti
 
 	                print '<div class="tagtd">';
 
-	                print dol_print_phone($tab[$i]['phone'], '', '', '', AC_TEL).'<br>';
+	                print dol_print_phone($tab[$i]['phone'], '', '', '', 'AC_TEL').'<br>';
 
 	                if (! empty($tab[$i]['phone_perso'])) {
 	                    //print img_picto($langs->trans('PhonePerso'),'object_phoning.png','',0,0,0).' ';
-	                    print '<br>'.dol_print_phone($tab[$i]['phone_perso'], '', '', '', AC_TEL).'<br>';
+	                    print '<br>'.dol_print_phone($tab[$i]['phone_perso'], '', '', '', 'AC_TEL').'<br>';
 	                }
 	                if (! empty($tab[$i]['phone_mobile'])) {
 	                    //print img_picto($langs->trans('PhoneMobile'),'object_phoning.png','',0,0,0).' ';
-	                    print dol_print_phone($tab[$i]['phone_mobile'], '', '', '', AC_TEL).'<br>';
+	                    print dol_print_phone($tab[$i]['phone_mobile'], '', '', '', 'AC_TEL').'<br>';
 	                }
 	                print '</div>';
 
diff --git a/htdocs/ticketsup/class/ticketsup.class.php b/htdocs/ticketsup/class/ticketsup.class.php
index 5a4f71e81e3..8f967ecb09f 100644
--- a/htdocs/ticketsup/class/ticketsup.class.php
+++ b/htdocs/ticketsup/class/ticketsup.class.php
@@ -1639,7 +1639,7 @@ class Ticketsup extends CommonObject
     {
         global $langs;
 
-        if (count($this->cache_logs_ticket)) {
+        if (is_array($this->cache_logs_ticket) && count($this->cache_logs_ticket)) {
             return 0;
         }
         // Cache deja charge
@@ -1751,7 +1751,7 @@ class Ticketsup extends CommonObject
     {
         global $langs;
 
-        if (count($this->cache_msgs_ticket)) {
+        if (is_array($this->cache_msgs_ticket) && count($this->cache_msgs_ticket)) {
             return 0;
         }
         // Cache deja charge