Point de vente : bug sauvagarde sans accès restreint

common/models/PointVente.php

     {
         PointVenteUser::deleteAll(['id_point_vente' => $this->id]) ;
         
-        foreach($this->users as $key => $val)
+        if(is_array($this->users) && count($this->users))
         {
-            $user = User::findOne($val) ;
-            if($user)
+            foreach($this->users as $key => $val)
             {
-                $point_vente_user = new PointVenteUser ;
-                $point_vente_user->id_user = $val ;
-                $point_vente_user->id_point_vente = $this->id ;
-                $point_vente_user->save() ;
+                $user = User::findOne($val) ;
+                if($user)
+                {
+                    $point_vente_user = new PointVenteUser ;
+                    $point_vente_user->id_user = $val ;
+                    $point_vente_user->id_point_vente = $this->id ;
+                    $point_vente_user->save() ;
+                }
             }
         }
+        
     }
 }