diff --git a/htdocs/compta/sociales/class/chargesociales.class.php b/htdocs/compta/sociales/class/chargesociales.class.php
index 61728562d2e..2d75584cbda 100644
--- a/htdocs/compta/sociales/class/chargesociales.class.php
+++ b/htdocs/compta/sociales/class/chargesociales.class.php
@@ -156,6 +156,7 @@ class ChargeSociales extends CommonObject
     function create($user)
     {
     	global $conf;
+		$error=0;
 
         $now=dol_now();
 
@@ -191,8 +192,17 @@ class ChargeSociales extends CommonObject
             $this->id=$this->db->last_insert_id(MAIN_DB_PREFIX."chargesociales");
 
             //dol_syslog("ChargesSociales::create this->id=".$this->id);
-            $this->db->commit();
-            return $this->id;
+			$result=$this->call_trigger('PAYMENTSOCIALCONTRIBUTION_CREATE',$user);
+			if ($result < 0) $error++;
+
+			if(empty($error)) {
+				$this->db->commit();
+				return $this->id;
+			}
+			else {
+				$this->db->rollback();
+				return -1*$error;
+			}
         }
         else
         {
diff --git a/htdocs/contrat/tpl/linkedobjectblock.tpl.php b/htdocs/contrat/tpl/linkedobjectblock.tpl.php
index e0b76ba689b..a44f20679b8 100644
--- a/htdocs/contrat/tpl/linkedobjectblock.tpl.php
+++ b/htdocs/contrat/tpl/linkedobjectblock.tpl.php
@@ -1,5 +1,6 @@
 <?php
 /* Copyright (C) 2010-2011 Regis Houssin <regis.houssin@capnetworks.com>
+ * 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
@@ -50,10 +51,22 @@ foreach($linkedObjectBlock as $key => $objectlink)
     <td><?php echo $objectlink->getNomUrl(1); ?></td>
     <td></td>
 	<td align="center"><?php echo dol_print_date($objectlink->date_contrat,'day'); ?></td>
-	<td align="right"><?php // var_dump($objectlink->total_ttc); ?></td>
+    <td align="right"><?php
+		// Price of contract is not shown by default because a contract is a list of service with 
+		// start and end date that change with time andd that may be different that the period of reference for price.
+		// So price of a contract does often means nothing. Prices is on the different invoices done on same contract.
+		if ($user->rights->contrat->lire && empty($conf->global->CONTRACT_SHOW_TOTAL_OF_PRODUCT_AS_PRICE)) 
+		{
+			$totalcontrat = 0;
+			foreach ($objectlink->lines as $linecontrat) {
+				$totalcontrat = $totalcontrat + $linecontrat->total_ht;
+			    $total = $total + $linecontrat->total_ht;
+			}
+			echo price($totalcontrat);
+		} ?></td>
 	<td align="right"><?php echo $objectlink->getLibStatut(7); ?></td>
 	<td align="right"><a href="<?php echo $_SERVER["PHP_SELF"].'?id='.$object->id.'&action=dellink&dellinkid='.$key; ?>"><?php echo img_delete($langs->transnoentitiesnoconv("RemoveLink")); ?></a></td>
 </tr>
 <?php } ?>
 
-<!-- END PHP TEMPLATE -->
\ No newline at end of file
+<!-- END PHP TEMPLATE -->