diff --git a/htdocs/comm/propal/stats/index.php b/htdocs/comm/propal/stats/index.php
index 0a182e6dcbe..576285594b4 100644
--- a/htdocs/comm/propal/stats/index.php
+++ b/htdocs/comm/propal/stats/index.php
@@ -335,11 +335,11 @@ foreach ($data as $val) {
 	print '<tr class="oddeven" height="24">';
 	print '<td align="center"><a href="'.$_SERVER["PHP_SELF"].'?year='.$year.($socid > 0 ? '&socid='.$socid : '').($userid > 0 ? '&userid='.$userid : '').'">'.$year.'</a></td>';
 	print '<td class="right">'.$val['nb'].'</td>';
-	print '<td class="right opacitylow" style="'.(($val['nb_diff'] >= 0) ? 'color: green;' : 'color: red;').'">'.round($val['nb_diff']).'%</td>';
+	print '<td class="right opacitylow" style="'.((!isset($val['nb_diff']) || $val['nb_diff'] >= 0) ? 'color: green;' : 'color: red;').'">'.(isset($val['nb_diff']) ? round($val['nb_diff']): "0").'%</td>';
 	print '<td class="right">'.price(price2num($val['total'], 'MT'), 1).'</td>';
-	print '<td class="right opacitylow" style="'.(($val['total_diff'] >= 0) ? 'color: green;' : 'color: red;').'">'.round($val['total_diff']).'%</td>';
+	print '<td class="right opacitylow" style="'.((!isset($val['total_diff']) || $val['total_diff'] >= 0) ? 'color: green;' : 'color: red;').'">'.(isset($val['total_diff']) ? round($val['total_diff']) : "0").'%</td>';
 	print '<td class="right">'.price(price2num($val['avg'], 'MT'), 1).'</td>';
-	print '<td class="right opacitylow" style="'.(($val['avg_diff'] >= 0) ? 'color: green;' : 'color: red;').'">'.round($val['avg_diff']).'%</td>';
+	print '<td class="right opacitylow" style="'.((!isset($val['avg_diff']) || $val['avg_diff'] >= 0) ? 'color: green;' : 'color: red;').'">'.(isset($val['avg_diff']) ? round($val['avg_diff']) : "0").'%</td>';
 	print '</tr>';
 	$oldyear = $year;
 }
diff --git a/htdocs/commande/stats/index.php b/htdocs/commande/stats/index.php
index 603627ee91e..3e33ddedf57 100644
--- a/htdocs/commande/stats/index.php
+++ b/htdocs/commande/stats/index.php
@@ -394,11 +394,11 @@ foreach ($data as $val) {
 	print '<tr class="oddeven" height="24">';
 	print '<td align="center"><a href="'.$_SERVER["PHP_SELF"].'?year='.$year.'&amp;mode='.$mode.($socid > 0 ? '&socid='.$socid : '').($userid > 0 ? '&userid='.$userid : '').'">'.$year.'</a></td>';
 	print '<td class="right">'.$val['nb'].'</td>';
-	print '<td class="right opacitylow" style="'.(($val['nb_diff'] >= 0) ? 'color: green;' : 'color: red;').'">'.round($val['nb_diff']).'%</td>';
+	print '<td class="right opacitylow" style="'.((!isset($val['nb_diff']) || $val['nb_diff'] >= 0) ? 'color: green;' : 'color: red;').'">'.(isset($val['nb_diff']) ? round($val['nb_diff']): "0").'%</td>';
 	print '<td class="right">'.price(price2num($val['total'], 'MT'), 1).'</td>';
-	print '<td class="right opacitylow" style="'.(($val['total_diff'] >= 0) ? 'color: green;' : 'color: red;').'">'.round($val['total_diff']).'%</td>';
+	print '<td class="right opacitylow" style="'.((!isset($val['total_diff']) || $val['total_diff'] >= 0) ? 'color: green;' : 'color: red;').'">'.(isset($val['total_diff']) ? round($val['total_diff']) : "0").'%</td>';
 	print '<td class="right">'.price(price2num($val['avg'], 'MT'), 1).'</td>';
-	print '<td class="right opacitylow" style="'.(($val['avg_diff'] >= 0) ? 'color: green;' : 'color: red;').'">'.round($val['avg_diff']).'%</td>';
+	print '<td class="right opacitylow" style="'.((!isset($val['avg_diff']) || $val['avg_diff'] >= 0) ? 'color: green;' : 'color: red;').'">'.(isset($val['avg_diff']) ? round($val['avg_diff']) : "0").'%</td>';
 	print '</tr>';
 	$oldyear = $year;
 }
diff --git a/htdocs/fourn/commande/card.php b/htdocs/fourn/commande/card.php
index a945a03b85d..6ab316edb56 100644
--- a/htdocs/fourn/commande/card.php
+++ b/htdocs/fourn/commande/card.php
@@ -143,9 +143,9 @@ $usercandelete	= (($user->rights->fournisseur->commande->supprimer || $user->rig
 $usercanvalidate = ((empty($conf->global->MAIN_USE_ADVANCED_PERMS) && !empty($usercancreate)) || (!empty($conf->global->MAIN_USE_ADVANCED_PERMS) && !empty($user->rights->fournisseur->supplier_order_advance->validate)));
 
 // Additional area permissions
-$usercanapprove			= $user->rights->fournisseur->commande->approuver;
-$usercanapprovesecond	= $user->rights->fournisseur->commande->approve2;
-$usercanorder			= $user->rights->fournisseur->commande->commander;
+$usercanapprove			= !empty($user->rights->fournisseur->commande->approuver) ? $user->rights->fournisseur->commande->approuver : 0;
+$usercanapprovesecond	= !empty($user->rights->fournisseur->commande->approve2) ? $user->rights->fournisseur->commande->approve2 : 0;
+$usercanorder			= !empty($user->rights->fournisseur->commande->commander) ? $user->rights->fournisseur->commande->commander : 0;
 if (empty($conf->reception->enabled)) {
 	$usercanreceive = $user->rights->fournisseur->commande->receptionner;
 } else {
@@ -1627,8 +1627,8 @@ if ($action == 'create') {
 		// Object source contacts list
 		$srccontactslist = $objectsrc->liste_contact(-1, 'external', 1);
 	} else {
-		$cond_reglement_id 	= $societe->cond_reglement_supplier_id;
-		$mode_reglement_id 	= $societe->mode_reglement_supplier_id;
+		$cond_reglement_id 	= !empty($societe->cond_reglement_supplier_id) ? $societe->cond_reglement_supplier_id : 0;
+		$mode_reglement_id 	= !empty($societe->mode_reglement_supplier_id) ? $societe->mode_reglement_supplier_id : 0;
 
 		if (!empty($conf->multicurrency->enabled) && !empty($societe->multicurrency_code)) {
 			$currency_code = $societe->multicurrency_code;
@@ -1674,7 +1674,7 @@ if ($action == 'create') {
 	print '<tr><td class="fieldrequired">'.$langs->trans('Supplier').'</td>';
 	print '<td>';
 
-	if ($societe->id > 0) {
+	if (!empty($societe->id) && $societe->id > 0) {
 		print $societe->getNomUrl(1, 'supplier');
 		print '<input type="hidden" name="socid" value="'.$societe->id.'">';
 	} else {
@@ -1696,7 +1696,7 @@ if ($action == 'create') {
 	}
 	print '</td>';
 
-	if ($societe->id > 0) {
+	if (!empty($societe->id) && $societe->id > 0) {
 		// Discounts for third party
 		print '<tr><td>'.$langs->trans('Discounts').'</td><td>';
 
@@ -1752,7 +1752,7 @@ if ($action == 'create') {
 		$langs->load('projects');
 		print '<tr><td>'.$langs->trans('Project').'</td><td>';
 		print img_picto('', 'project').$formproject->select_projects((empty($conf->global->PROJECT_CAN_ALWAYS_LINK_TO_ALL_SUPPLIERS) ? $societe->id : -1), $projectid, 'projectid', 0, 0, 1, 1, 0, 0, 0, '', 1, 0, 'maxwidth500');
-		print ' &nbsp; <a href="'.DOL_URL_ROOT.'/projet/card.php?socid='.$societe->id.'&action=create&status=1&backtopage='.urlencode($_SERVER["PHP_SELF"].'?action=create&socid='.$societe->id).'"><span class="fa fa-plus-circle valignmiddle" title="'.$langs->trans("AddProject").'"></span></a>';
+		print ' &nbsp; <a href="'.DOL_URL_ROOT.'/projet/card.php?action=create&status=1'.(!empty($societe->id) ? '&socid='.$societe->id : "").'&backtopage='.urlencode($_SERVER["PHP_SELF"].'?action=create'.(!empty($societe->id) ? '&socid='.$societe->id : "")).'"><span class="fa fa-plus-circle valignmiddle" title="'.$langs->trans("AddProject").'"></span></a>';
 		print '</td></tr>';
 	}
 
diff --git a/htdocs/mrp/tpl/originproductline.tpl.php b/htdocs/mrp/tpl/originproductline.tpl.php
index d65f625048b..e641bd142fc 100644
--- a/htdocs/mrp/tpl/originproductline.tpl.php
+++ b/htdocs/mrp/tpl/originproductline.tpl.php
@@ -24,7 +24,7 @@ if (empty($conf) || !is_object($conf)) {
 
 global $db;
 
-if (!is_object($form)) {
+if (!empty($form) && !is_object($form)) {
 	$form = new Form($db);
 }