This app clip is not currently available in your country or region

I generated QRCode contains AppClip URL, and scanned it.
But iOS shows message "This app clip is not currently available in your country or region".
I think the cause is cache.
How long is the experience cache??
After waiting for a while for Apple's cache to expire (under App Store Connect "Cache Status"), we just uploaded a new build and it immediately refreshed.
This app clip is not currently available in your country or region
 
 
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