[FIX] account_ux: message_post with html fixed

account_ux/models/account_move.py

@@ -73,7 +73,7 @@ def action_send_invoice_mail(self):
                     _("Please check the email template associated with"
                       " the invoice journal."),
                     "<code>" + str(error) + "</code>"
-                ]),
+                ]), body_is_html=True
                 )
 
     @api.onchange('partner_id')