ApplicationCharge Problem about 'confirmation_url'

[Gordonfong]

{
“recurring_application_charge”: {
“id”: 22991700104,
“name”: “pro”,
“api_client_id”: 6183682049,
“price”: “99.00”,
“status”: “pending”,
“return_url”: null,
“billing_on”: null,
“created_at”: “2022-08-16T03:53:40-04:00”,
“updated_at”: “2022-08-16T03:53:40-04:00”,
“test”: null,
“activated_on”: null,
“cancelled_on”: null,
“trial_days”: 0,
“trial_ends_on”: null,
“decorated_return_url”: “https://dev.supdropshipping.com/shopify/installStart?charge_id=22991700104&code=&hmac=e2ffa90075b266fa17a4a8b655d4072ab8a8cea89770c5f5e7163c39b8e34cbc&host=YmlsbGluZzg4OC5teXNob3BpZnkuY29tL2FkbWlu&shop=billing888.myshopify.com&state=&timestamp=1660636420”,
“confirmation_url”: “https://billing888.myshopify.com/admin/charges/6183682049/22991700104/RecurringApplicationCharge/confirm_recurring_application_charge?signature=BAh7BzoHaWRsKwiIgGlaBQA6EmF1dG9fYWN0aXZhdGVU–f43dd3bbc0b23e9c5eb0b7a674a7e023907f81d4”
}
}

when I open the link ‘confirmation_url’ it be error :

Someone can help me ? Tks

My application is a public application and has not been published