app/Models/Notification.php

@@ -202,7 +202,7 @@ class Notification extends BaseModel
         if(!$project_user) return false;
         $project = Project::find($project_user->project_id);
         if($project && isset($project['user_id'])) {
-            $user = User::find($project['user_id']);
+            $user = User::find($project_user->user_id);
             $role = ProjectRole::find($project_user['project_role_id']);
             $work_point = WorkPoint::find($project['work_point_id']);
             if($user) {