Unable to change App Store Region/Country

There are several possibilities; the most likely is you have either an active subscription or a balance in the app store.

Here is more guidance→Change your Apple Account country or region - Apple Support

Ask Apple. The people on this forum are users like yourself so we have no additional information t help interpret that message.

Refer to this page for Apple Support features ➔ Contact - Official Apple Support

Select from the presented options until you find a solution for your issue, or see if there is a chat or phone call contact method offered lower on the page (you sometimes have to narrow down the options multiple times before this is shown). If you do not see your issue, keep experimenting with any series of selections until you reach one that offers a chat session or a telephone call and get the representative to redirect you.

This support article has various country telephone numbers for contacting Apple for support and service ➔ Contact Apple for support and service - Apple Support

If an app or feature on your device is not working, not appearing, or is restricted (grayed out), a frequent reason is it may have been disabled using Screen Time, or by an IT administrator if you are using a device owned by an employer or educational institution.

- Read this support article If your Apple ID or other options are greyed out in Settings —> If your Apple Account is grayed out in Settings - Apple Support

Tap Settings > Screen Time > Content & Privacy > scroll to Allow Changes and turn on.

- If the device is managed (Settings > General > VPN & Device Management), contact the IT department that is doing the managing.

Leandroalvessilva wrote:

I don’t even have a card so I can’t pay for nothing so no subscriptions or balances. Any other solutions?

Did you read ALL of the link I sent?