Hello,
Would you mind providing the URL so that we can try to reproduce this error?
Do you mean the app does not work when installing it from Store? Can you provide the app link to let us install it?
According to your description, we're not able to confirm if it's a temporary issue or related to App Studio.
You'd better generate an installable package for sideloading test before publishing it.
Best regards,
Mattew Wu
MSDN Community Support
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