Blank pop up appears when buying subscription products from Microsoft store. UWP, MS Subscriptions, Unity

Glebs Medvedevs 0

I am currently experiencing a problem with Microsoft store API (Windows.Services.Store) in Unity UWP build of the game. I have my own API built on top of Windows.Services.Store

Situation is as following:

Pop-up appears.

I press "buy now."

It is showing a loading screen.

The pop-up becomes a blank sheet with a outlined space for some information (but without actual information).

At step 4 the only thing I can do with this pop-up is to close it by pressing on X in the top-right corner which results into the status of purchase NotPurchased.

I have figured out that the problem is in the Windows.Service.Store API. The execution is stuck in the process of awaiting RequestPurchaseAsync function. awaited function where the execution is stuck

Buying a subscription. Image

Blank pop-up. Image
Note: other InApps (Unmanaged consumables) do work as intended.

I have tried updating API, changing version of XAML, looking for similar problems in other projects on the web.

Link to stackoverflow issue: https://stackoverflow.com/questions/78461143/blank-pop-up-appears-when-buying-subscription-products-from-microsoft-store-uwp?noredirect=1#comment138339325_78461143

UPD: I have found a following error in Event Viewer:
User's image

Junjie Zhu - MSFT 19,641 Reputation points Microsoft Vendor

2024-05-15T08:55:01.54+00:00

Hi @Glebs Medvedevs Welcome to Microsoft Q&A!

@RoyLi-MSFT Well, the project is in Unity, but I have my own dll which handles everything regarding the Windows.Services.Store.

I check the discussion in Stack Overflow. To further troubleshoot this problem, could you please test this in a normal UWP project?

Thank you.
Glebs Medvedevs 0 Reputation points

2024-05-15T09:00:32.51+00:00

@Junjie Zhu - MSFT
I have found a following error in Event Viewer:
Junjie Zhu - MSFT 19,641 Reputation points Microsoft Vendor

2024-05-16T08:56:01.2766667+00:00

Hi @Glebs Medvedevs

As this issue is complex, to resolve this issue as soon as possible, I suggest that you might need to open a support ticket for this. Please contact our paid support at MS Support.

You will get 1:1 support on that. Select Developer Tools -> Windows UWP Development -> Windows Universal App Dev -> System Services Development in the support page and you could contact the team. Please kindly note that your support ticket will be free if it is Microsoft's issue.

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Blank pop up appears when buying subscription products from Microsoft store. UWP, MS Subscriptions, Unity

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