diff --git a/htdocs/bom/bom_card.php b/htdocs/bom/bom_card.php
index 17fae31ef7d..30031103156 100644
--- a/htdocs/bom/bom_card.php
+++ b/htdocs/bom/bom_card.php
@@ -294,12 +294,6 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 	{
 		$formconfirm = $form->formconfirm($_SERVER["PHP_SELF"].'?id='.$object->id.'&lineid='.$lineid, $langs->trans('DeleteLine'), $langs->trans('ConfirmDeleteLine'), 'confirm_deleteline', '', 0, 1);
 	}
-	$formconfirm = '';
-
-	// Confirmation to delete
-	if ($action == 'delete') {
-		$formconfirm = $form->formconfirm($_SERVER["PHP_SELF"] . '?id=' . $object->id, $langs->trans('DeleteOrder'), $langs->trans('ConfirmDeleteOrder'), 'confirm_delete', '', 0, 1);
-	}
 
 	// Confirmation of validation
 	if ($action == 'validate')
diff --git a/htdocs/bom/class/bom.class.php b/htdocs/bom/class/bom.class.php
index b3163511150..90e23dad802 100644
--- a/htdocs/bom/class/bom.class.php
+++ b/htdocs/bom/class/bom.class.php
@@ -240,9 +240,10 @@ class BOM extends CommonObject
 	    unset($object->import_key);
 
 	    // Clear fields
-	    $object->ref = "copy_of_".$object->ref;
-	    $object->title = $langs->trans("CopyOf")." ".$object->title;
-
+	    $object->ref = empty($this->fields['ref']['default']) ? $langs->trans("copy_of_").$object->ref: $this->fields['ref']['default'];
+	    $object->label = empty($this->fields['label']['default']) ? $langs->trans("CopyOf")." ".$object->label: $this->fields['label']['default'];
+	    $object->status = self::STATUS_DRAFT;
+	    // ...
 	    // Clear extrafields that are unique
 	    if (is_array($object->array_options) && count($object->array_options) > 0)
 	    {
diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index b331c479670..01ed67cce3e 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -7476,6 +7476,7 @@ abstract class CommonObject
 		    {
 		        $sql="UPDATE ".MAIN_DB_PREFIX.$this->table_element." SET ref = '(PROV".$this->id.")' WHERE ref = '(PROV)' AND rowid = ".$this->id;
 		        $resqlupdate = $this->db->query($sql);
+
 		        if ($resqlupdate===false)
 		        {
 		            $error++;
diff --git a/htdocs/modulebuilder/template/class/myobject.class.php b/htdocs/modulebuilder/template/class/myobject.class.php
index d6474a480dc..4fbdd101c35 100644
--- a/htdocs/modulebuilder/template/class/myobject.class.php
+++ b/htdocs/modulebuilder/template/class/myobject.class.php
@@ -283,8 +283,9 @@ class MyObject extends CommonObject
 
 
 	    // Clear fields
-	    $object->ref = "copy_of_".$object->ref;
-	    $object->title = $langs->trans("CopyOf")." ".$object->title;
+	    $object->ref = empty($this->fields['ref']['default']) ? "copy_of_".$object->ref: $this->fields['ref']['default'];
+	    $object->label = empty($this->fields['label']['default']) ? $langs->trans("CopyOf")." ".$object->label: $this->fields['label']['default'];
+	    $object->status = self::STATUS_DRAFT;
 	    // ...
 	    // Clear extrafields that are unique
 	    if (is_array($object->array_options) && count($object->array_options) > 0)
diff --git a/htdocs/mrp/class/mo.class.php b/htdocs/mrp/class/mo.class.php
index a3c49fcd3c8..b013d300845 100644
--- a/htdocs/mrp/class/mo.class.php
+++ b/htdocs/mrp/class/mo.class.php
@@ -246,10 +246,10 @@ class Mo extends CommonObject
 	    unset($object->fk_user_creat);
 	    unset($object->import_key);
 
-
 	    // Clear fields
-	    $object->ref = "copy_of_".$object->ref;
-	    $object->title = $langs->trans("CopyOf")." ".$object->title;
+	    $object->ref = empty($this->fields['ref']['default']) ? "copy_of_".$object->ref: $this->fields['ref']['default'];
+	    $object->label = empty($this->fields['label']['default']) ? $langs->trans("CopyOf")." ".$object->label: $this->fields['label']['default'];
+	    $object->status = self::STATUS_DRAFT;
 	    // ...
 	    // Clear extrafields that are unique
 	    if (is_array($object->array_options) && count($object->array_options) > 0)