diff --git a/odex25_project/project_base/models/project_task.py b/odex25_project/project_base/models/project_task.py
index 26d9f0cc3..01f6f83c0 100644
--- a/odex25_project/project_base/models/project_task.py
+++ b/odex25_project/project_base/models/project_task.py
@@ -75,10 +75,10 @@ class ProjectTask(models.Model):
                     project_no = "Unknown Project"
 
                 # Create a mail notification for users in both groups
-                self.env['mail.message'].create({
+                rec.env['mail.message'].create({
                     'message_type': "notification",
-                    'body': _("Task %s is done for project %s and needs your action") % (rec._name, project_no),
-                    'subject': _("Invoice Request"),
+                    'body': _("Task %s is done for project %s and needs your action") % (rec.name, project_no),
+                    'subject': _("Done Task"),
                     'partner_ids': [(6, 0, user_ids.mapped('partner_id').ids)],
                     'notification_ids': [(0, 0, {
                         'res_partner_id': user.partner_id.id,
@@ -86,8 +86,8 @@ class ProjectTask(models.Model):
                     }) for user in user_ids if user.partner_id],
                     'model': rec._name,
                     'res_id': rec.id if rec.id else False,  # Ensure res_id exists
-                    'author_id': self.env.user.partner_id.id if self.env.user.partner_id else False,
-                    'email_from': self.env.user.partner_id.email if self.env.user.partner_id else 'noreply@company.com'
+                    'author_id': rec.env.user.partner_id.id if rec.env.user.partner_id else False,
+                    'email_from': rec.env.user.partner_id.email if rec.env.user.partner_id else 'noreply@company.com'
                 })