Fixed Contrat::fetch

htdocs/contrat/class/contrat.class.php

@@ -470,6 +470,18 @@ class Contrat extends CommonObject
 				$extralabels=$extrafields->fetch_name_optionals_label($this->table_element,true);
 				$this->fetch_optionals($this->id,$extralabels);
 
+				/*
+				 * Lines
+				*/
+
+				$this->lines  = array();
+
+				$result=$this->fetch_lines();
+				if ($result < 0)
+				{
+					$this->error=$this->db->error();
+					return -3;
+				}
 
 				return $this->id;
 			}