diff --git a/htdocs/variants/admin/admin.php b/htdocs/variants/admin/admin.php
index dc039bf6d5f..4790961aba7 100644
--- a/htdocs/variants/admin/admin.php
+++ b/htdocs/variants/admin/admin.php
@@ -1,6 +1,6 @@
 <?php
-
-/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+/* Copyright (C) 2016   Marcos García   <marcosgdf@gmail.com>
+ * Copyright (C) 2018   Frédéric France <frederic.france@netlogic.fr>
  *
  * 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
@@ -31,15 +31,15 @@ if ($_POST) {
 	$value = GETPOST('PRODUIT_ATTRIBUTES_HIDECHILD');
 
 	if (dolibarr_set_const($db, 'PRODUIT_ATTRIBUTES_HIDECHILD', $value, 'chaine', 0, '', $conf->entity)) {
-		setEventMessage($langs->trans('RecordSaved'));
+		setEventMessages($langs->trans('RecordSaved'), null);
 	} else {
-		setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+		setEventMessages($langs->trans('CoreErrorMessage'), null, 'errors');
 	}
 
        if (dolibarr_set_const($db, 'PRODUIT_ATTRIBUTES_SEPARATOR', GETPOST('PRODUIT_ATTRIBUTES_SEPARATOR'), 'chaine', 0, '', $conf->entity)) {
-               setEventMessage($langs->trans('RecordSaved'));
+               setEventMessages($langs->trans('RecordSaved'), null);
        } else {
-               setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+               setEventMessages($langs->trans('CoreErrorMessage'), null, 'errors');
        }
 
 }
@@ -62,9 +62,9 @@ print '<tr class="oddeven"><td>'.$langs->trans('HideProductCombinations').'</td>
 print $form->selectyesno("PRODUIT_ATTRIBUTES_HIDECHILD",$conf->global->PRODUIT_ATTRIBUTES_HIDECHILD,1).'</td></tr>';
 print '<tr class="oddeven"><td>'.$langs->trans('CombinationsSeparator').'</td>';
 if(isset($conf->global->PRODUIT_ATTRIBUTES_SEPARATOR)) {
-       $separator = $conf->global->PRODUIT_ATTRIBUTES_SEPARATOR;
+    $separator = $conf->global->PRODUIT_ATTRIBUTES_SEPARATOR;
 } else {
-       $separator = "_";
+    $separator = "_";
 }
 print '<td align="right"><input size="3" type="text" class="flat" name="PRODUIT_ATTRIBUTES_SEPARATOR" value="'.$separator.'"></td></tr>';
 print '</table>';
@@ -72,6 +72,4 @@ print '<br><div style="text-align: center"><input type="submit" value="'.$langs-
 print '</form>';
 
 llxFooter();
-
 $db->close();
-
diff --git a/htdocs/variants/card.php b/htdocs/variants/card.php
index 547a82d0f63..f364f444a7f 100644
--- a/htdocs/variants/card.php
+++ b/htdocs/variants/card.php
@@ -1,5 +1,6 @@
 <?php
-/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+/* Copyright (C) 2016   Marcos García   <marcosgdf@gmail.com>
+ * Copyright (C) 2018   Frédéric France <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -50,9 +51,9 @@ if ($_POST) {
 		$object->label = $label;
 
 		if ($object->update($user) < 1) {
-			setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+			setEventMessages($langs->trans('CoreErrorMessage'), $object->errors, 'errors');
 		} else {
-			setEventMessage($langs->trans('RecordSaved'));
+			setEventMessages($langs->trans('RecordSaved'), null);
 			header('Location: '.dol_buildpath('/variants/card.php?id='.$id, 2));
 			exit();
 		}
@@ -77,9 +78,9 @@ if ($_POST) {
 			if (! $error)
 			{
 				if ($objectval->update($user) > 0) {
-					setEventMessage($langs->trans('RecordSaved'));
+					setEventMessages($langs->trans('RecordSaved'), null);
 				} else {
-					setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+					setEventMessages($langs->trans('CoreErrorMessage'), $objectval->errors, 'errors');
 				}
 			}
 		}
@@ -99,11 +100,11 @@ if ($confirm == 'yes') {
 
 		if ($res < 1 || ($object->delete() < 1)) {
 			$db->rollback();
-			setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+			setEventMessages($langs->trans('CoreErrorMessage'), $object->errors, 'errors');
 			header('Location: '.dol_buildpath('/variants/card.php?id='.$object->id, 2));
 		} else {
 			$db->commit();
-			setEventMessage($langs->trans('RecordSaved'));
+			setEventMessages($langs->trans('RecordSaved'), null);
 			header('Location: '.dol_buildpath('/variants/list.php', 2));
 		}
 		exit();
@@ -113,9 +114,9 @@ if ($confirm == 'yes') {
 		if ($objectval->fetch($valueid) > 0) {
 
 			if ($objectval->delete() < 1) {
-				setEventMessage($langs->trans('CoreErrorMessage'), 'errors');
+				setEventMessages($langs->trans('CoreErrorMessage'), $objectval->errors, 'errors');
 			} else {
-				setEventMessage($langs->trans('RecordSaved'));
+				setEventMessages($langs->trans('RecordSaved'), null);
 			}
 
 			header('Location: '.dol_buildpath('/variants/card.php?id='.$object->id, 2));
diff --git a/htdocs/variants/combinations.php b/htdocs/variants/combinations.php
index dbc413542c4..6aeaa6b92d3 100644
--- a/htdocs/variants/combinations.php
+++ b/htdocs/variants/combinations.php
@@ -1,6 +1,7 @@
 <?php
-/* Copyright (C) 2016	Marcos García	      <marcosgdf@gmail.com>
- * Copyright (C) 2017	Laurent Destailleur   <eldy@users.sourceforge.net>
+/* Copyright (C) 2016   Marcos García       <marcosgdf@gmail.com>
+ * Copyright (C) 2017   Laurent Destailleur <eldy@users.sourceforge.net>
+ * Copyright (C) 2018   Frédéric France     <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -104,7 +105,7 @@ if ($_POST) {
         $features = $_SESSION['addvariant_'.$object->id];
 
 		if (!$features) {
-			setEventMessage($langs->trans('ErrorFieldsRequired'), 'errors');
+			setEventMessages($langs->trans('ErrorFieldsRequired'), null, 'errors');
 		}
 		else
 		{
@@ -147,7 +148,7 @@ if ($_POST) {
 				$result = $prodcomb->createProductCombination($object, $sanit_features, array(), $price_impact_percent, $price_impact, $weight_impact);
 				if ($result > 0)
 				{
-					setEventMessage($langs->trans('RecordSaved'));
+					setEventMessages($langs->trans('RecordSaved'), null);
 					unset($_SESSION['addvariant_'.$object->id]);
 
 					$db->commit();
@@ -214,7 +215,7 @@ if ($_POST) {
 
 		} else {
 			$db->commit();
-			setEventMessage($langs->trans('RecordSaved'));
+			setEventMessages($langs->trans('RecordSaved'), null);
 		}
 
 	}
@@ -230,7 +231,7 @@ if ($_POST) {
 		$prodcomb->variation_weight = $weight_impact;
 
 		if ($prodcomb->update($user) > 0) {
-			setEventMessage($langs->trans('RecordSaved'));
+			setEventMessages($langs->trans('RecordSaved'), null);
 			header('Location: '.dol_buildpath('/variants/combinations.php?id='.$id, 2));
 			exit();
 		} else {
@@ -250,13 +251,13 @@ if ($action === 'confirm_deletecombination') {
 
 		if ($prodcomb->delete($user) > 0 && $prodstatic->fetch($prodcomb->fk_product_child) > 0 && $prodstatic->delete($user) > 0) {
 			$db->commit();
-			setEventMessage($langs->trans('RecordSaved'));
+			setEventMessages($langs->trans('RecordSaved'), null);
 			header('Location: '.dol_buildpath('/variants/combinations.php?id='.$object->id, 2));
 			exit();
 		}
 
 		$db->rollback();
-		setEventMessage($langs->trans('ProductCombinationAlreadyUsed'), 'errors');
+		setEventMessages($langs->trans('ProductCombinationAlreadyUsed'), null, 'errors');
 		$action = '';
 	}
 } elseif ($action === 'edit') {
@@ -284,12 +285,12 @@ if ($action === 'confirm_deletecombination') {
 				header('Location: '.dol_buildpath('/variants/combinations.php?id='.$prodstatic->id, 2));
 				exit();
 			} else {
-				setEventMessage($langs->trans('ErrorCopyProductCombinations'), 'errors');
+				setEventMessages($langs->trans('ErrorCopyProductCombinations'), null, 'errors');
 			}
 		}
 
 	} else {
-		setEventMessage($langs->trans('ErrorDestinationProductNotFound'), 'errors');
+		setEventMessages($langs->trans('ErrorDestinationProductNotFound'), null, 'errors');
 	}
 
 }
diff --git a/htdocs/variants/create.php b/htdocs/variants/create.php
index f1a34a835b6..12f5eefcc30 100644
--- a/htdocs/variants/create.php
+++ b/htdocs/variants/create.php
@@ -1,5 +1,6 @@
 <?php
-/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+/* Copyright (C) 2016   Marcos García   <marcosgdf@gmail.com>
+ * Copyright (C) 2018   Frédéric France <frederic.france@netlogic.fr>
  *
  * 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
@@ -29,7 +30,7 @@ $backtopage = GETPOST('backtopage', 'alpha');
 
 if ($_POST) {
 	if (empty($ref) || empty($label)) {
-		setEventMessage($langs->trans('ErrorFieldsRequired'), 'errors');
+		setEventMessages($langs->trans('ErrorFieldsRequired'), null, 'errors');
 	} else {
 
 		$prodattr = new ProductAttribute($db);
@@ -38,7 +39,7 @@ if ($_POST) {
 
 		$resid = $prodattr->create($user);
 		if ($resid > 0) {
-			setEventMessage($langs->trans('RecordSaved'));
+			setEventMessages($langs->trans('RecordSaved'), null);
 			if ($backtopage)
 			{
 				header('Location: '.$backtopage);
@@ -49,7 +50,7 @@ if ($_POST) {
 			}
 			exit;
 		} else {
-			setEventMessage($langs->trans('ErrorRecordAlreadyExists'), 'errors');
+			setEventMessages($langs->trans('ErrorRecordAlreadyExists'), $prodattr->errors, 'errors');
 		}
 	}
 }
diff --git a/htdocs/variants/create_val.php b/htdocs/variants/create_val.php
index b290182a042..ab9918e9875 100644
--- a/htdocs/variants/create_val.php
+++ b/htdocs/variants/create_val.php
@@ -1,5 +1,6 @@
 <?php
 /* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+ * Copyright (C) 2018   Frédéric France <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -58,7 +59,7 @@ if ($cancel)
 if ($action == 'add')
 {
 	if (empty($ref) || empty($value)) {
-		setEventMessage($langs->trans('ErrorFieldsRequired'), 'errors');
+		setEventMessages($langs->trans('ErrorFieldsRequired'), null, 'errors');
 	} else {
 
 		$objectval->fk_product_attribute = $object->id;
@@ -66,11 +67,11 @@ if ($action == 'add')
 		$objectval->value = $value;
 
 		if ($objectval->create($user) > 0) {
-			setEventMessage($langs->trans('RecordSaved'));
+			setEventMessages($langs->trans('RecordSaved'), null);
 			header('Location: '.DOL_URL_ROOT.'/variants/card.php?id='.$object->id);
 			exit();
 		} else {
-			setEventMessage($langs->trans('ErrorCreatingProductAttributeValue'), 'errors');
+			setEventMessages($langs->trans('ErrorCreatingProductAttributeValue'), $objectval->errors, 'errors');
 		}
 	}
 }
diff --git a/htdocs/variants/generator.php b/htdocs/variants/generator.php
index 4daa2d8f45a..81795331754 100644
--- a/htdocs/variants/generator.php
+++ b/htdocs/variants/generator.php
@@ -1,6 +1,6 @@
 <?php
-
-/* Copyright (C) 2016	Marcos García	<marcosgdf@gmail.com>
+/* Copyright (C) 2016   Marcos García   <marcosgdf@gmail.com>
+ * Copyright (C) 2018   Frédéric France <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -115,18 +115,18 @@ if ($_POST) {
 
 			if ($res > 0) {
 				$db->commit();
-				setEventMessage($langs->trans('RecordSaved'));
+				setEventMessages($langs->trans('RecordSaved'), null);
 				header('Location: '.dol_buildpath('/variants/combinations.php?id='.$id, 2));
 				exit;
 			}
 		} else {
-			setEventMessage($langs->trans('ErrorDeletingGeneratedProducts'), 'errors');
+			setEventMessages($langs->trans('ErrorDeletingGeneratedProducts'), null, 'errors');
 		}
 
 		$db->rollback();
 
 	} else {
-		setEventMessage($langs->trans('ErrorFieldsRequired'), 'errors');
+		setEventMessages($langs->trans('ErrorFieldsRequired'), null, 'errors');
 	}
 }