diff --git a/module/project/model.php b/module/project/model.php
index 03147d7e1a..26a0ae905a 100644
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -1544,15 +1544,13 @@ class projectModel extends model
                     /* Child project begin cannot less than parent. */
                     if(!empty($projects[$projectID]->name) and $projects[$projectID]->begin < $parentProject->begin)
                     {
-                        dao::$errors['begin'] = sprintf($this->lang->project->beginGreateChild, $parentProject->begin);
-                        return false;
+                        dao::$errors[] = "ID {$projects[$projectID]->id}" . sprintf($this->lang->project->beginGreateChild, $parentProject->begin);
                     }
 
                     /* When parent set end then child project end cannot greater than parent. */
                     if(!empty($projects[$projectID]->name) and $parentProject->end != '0000-00-00' and $projects[$projectID]->end > $parentProject->end)
                     {
-                        dao::$errors['end'] =  sprintf($this->lang->project->endLetterChild, $parentProject->end);
-                        return false;
+                        dao::$errors[] = "ID {$projects[$projectID]->id}" . sprintf($this->lang->project->endLetterChild, $parentProject->end);
                     }
                 }
             }