diff --git a/htdocs/contrat/class/contrat.class.php b/htdocs/contrat/class/contrat.class.php
index 5265f7025c5..77dde27dd46 100644
--- a/htdocs/contrat/class/contrat.class.php
+++ b/htdocs/contrat/class/contrat.class.php
@@ -49,32 +49,104 @@ class Contrat extends CommonObject
 	 */
 	protected $table_ref_field = 'ref';
 
+	/**
+	 * Id of the contract
+	 * @var int
+	 */
 	var $id;
+
+	/**
+	 * Reference of the contract
+	 * @var string
+	 */
 	var $ref;
+
+	/**
+	 * External reference of the contract.
+	 * Used by 3rd party services
+	 * @var string
+	 */
 	var $ref_ext;
+
+	/**
+	 * Supplier reference of the contract
+	 * @var string
+	 */
 	var $ref_supplier;
+
+	/**
+	 * Client id linked to the contract
+	 * @var int
+	 */
 	var $socid;
 	var $societe;		// Objet societe
+
+	/**
+	 * Status of the contract
+	 * @var int
+	 */
 	var $statut=0;		// 0=Draft,
 	var $product;
 
+	/**
+	 * Author of the contract
+	 * @var
+	 */
 	var $user_author;
+
+	/**
+	 * Date of creation
+	 * @var int
+	 */
 	var $date_creation;
+
+	/**
+	 * Date of last update
+	 * @var int
+	 */
 	var $date_validation;
 
+	/**
+	 * Date when contract was signed
+	 * @var int
+	 */
 	var $date_contrat;
+
+	/**
+	 * Date of contract closure
+	 * @var int
+	 * @deprecated we close contract lines, not a contract
+	 */
 	var $date_cloture;
 
 	var $commercial_signature_id;
 	var $commercial_suivi_id;
 
-	var $note;			// deprecated
+	/**
+	 * @deprecated Use note_private or note_public instead
+	 */
+	var $note;
+
+	/**
+	 * Private note
+	 * @var string
+	 */
 	var $note_private;
+
+	/**
+	 * Public note
+	 * @var string
+	 */
 	var $note_public;
 	var $modelpdf;
 
+	/**
+	 * @deprecated Use fk_project instead
+	 */
 	var $fk_projet;
 
+	public $fk_project;
+
 	var $extraparams=array();
 
 	var $lines=array();
@@ -441,7 +513,9 @@ class Contrat extends CommonObject
 				$this->ref_ext					= $result["ref_ext"];
 				$this->statut					= $result["statut"];
 				$this->mise_en_service			= $this->db->jdate($result["datemise"]);
+
 				$this->date_contrat				= $this->db->jdate($result["datecontrat"]);
+				$this->date_creation				= $this->db->jdate($result["datecontrat"]);
 
 				$this->user_author_id			= $result["fk_user_author"];
 
@@ -470,6 +544,18 @@ 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;
 			}
diff --git a/htdocs/core/modules/contract/doc/pdf_strato.modules.php b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
index be686377ce3..46364b23d0d 100644
--- a/htdocs/core/modules/contract/doc/pdf_strato.modules.php
+++ b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
@@ -239,29 +239,9 @@ class pdf_strato extends ModelePDFContract
 
 				$iniY = $tab_top + 7;
 				$curY = $tab_top + 7;
-				$nexY = $tab_top + 7;
+				$nexY = $tab_top + 2;
 
 				$pdf->SetXY($this->marge_gauche, $tab_top);
-				$pdf->MultiCell(190,8,$outputlangs->transnoentities("Description"),0,'L',0);
-				$pdf->line($this->marge_gauche, $tab_top + 8, $this->page_largeur-$this->marge_droite, $tab_top + 8);
-
-				$pdf->SetFont('', '', $default_font_size - 1);
-
-				$pdf->MultiCell(0, 3, '');		// Set interline to 3
-				$pdf->SetXY($this->marge_gauche, $tab_top + 8);
-				$text=$object->description;
-				if ($object->duree > 0)
-				{
-				    $totaltime=convertSecondToTime($object->duree,'all',$conf->global->MAIN_DURATION_OF_WORKDAY);
-				    $text.=($text?' - ':'').$langs->trans("Total").": ".$totaltime;
-				}
-				$desc=dol_htmlentitiesbr($text,1);
-				//print $outputlangs->convToOutputCharset($desc); exit;
-
-				$pdf->writeHTMLCell(180, 3, 10, $tab_top + 8, $outputlangs->convToOutputCharset($desc), 0, 1);
-				$nexY = $pdf->GetY();
-
-				$pdf->line($this->marge_gauche, $nexY, $this->page_largeur-$this->marge_droite, $nexY);
 
 				$pdf->MultiCell(0, 2, '');		// Set interline to 3. Then writeMultiCell must use 3 also.
 
@@ -285,7 +265,20 @@ class pdf_strato extends ModelePDFContract
 						$pageposbefore=$pdf->getPage();
 
 						// Description of product line
-						$txt='<strong>'.dol_htmlentitiesbr($outputlangs->transnoentities("Date")." : ".dol_print_date($objectligne->datei,'dayhour',false,$outputlangs,true)." - ".$outputlangs->transnoentities("Duration")." : ".convertSecondToTime($objectligne->duration),1,$outputlangs->charset_output).'</strong>';
+
+						if ($objectligne->datei) {
+							$datei = dol_print_date($objectligne->datei,'dayhour',false,$outputlangs,true);
+						} else {
+							$datei = $langs->trans("Unknown");
+						}
+
+						if ($objectligne->duration) {
+							$durationi = convertSecondToTime($objectligne->duration);
+						} else {
+							$durationi = $langs->trans("Unknown");
+						}
+
+						$txt='<strong>'.dol_htmlentitiesbr($outputlangs->transnoentities("Date")." : ".$datei." - ".$outputlangs->transnoentities("Duration")." : ".$durationi,1,$outputlangs->charset_output).'</strong>';
 						$desc=dol_htmlentitiesbr($objectligne->desc,1);
 
 						$pdf->writeHTMLCell(0, 0, $curX, $curY, dol_concatdesc($txt,$desc), 0, 1, 0);
@@ -533,7 +526,7 @@ class pdf_strato extends ModelePDFContract
 		$posy+=4;
 		$pdf->SetXY($posx,$posy);
 		$pdf->SetTextColor(0,0,60);
-		$pdf->MultiCell(100, 3, $outputlangs->transnoentities("Date")." : " . dol_print_date($object->datec,"day",false,$outputlangs,true), '', 'R');
+		$pdf->MultiCell(100, 3, $outputlangs->transnoentities("Date")." : " . dol_print_date($object->date_creation,"day",false,$outputlangs,true), '', 'R');
 
 		if ($object->client->code_client)
 		{