Same key in Windows.Services.Store.StorePackageInstallOptions

Henk Jongsma 6

I have an application X in the Microsoft store for testing.
To get some experience with the Windows.Services.Store I tried the Microsoft Store sample and I associated the App with the store application X. The Store sample worked fine.
Next I extended my app with a purchase function and associated this app also with the store application X. In debug mode it worked correct, but the release mode gave the error:

Internal compiler error: An item with the same key has already been added.
Key: Windows.Services.Store.StorePackageInstallOptions

Is the reason for the error that I have associated two apps with the same store application? Anyway, how to correct this error?

Roy Li - MSFT 32,731 Reputation points Microsoft Vendor

2021-03-30T03:00:47.533+00:00

Have you tried with a blank UWP project? Using the same purchase function and associate it with the store application X.
Henk Jongsma 6 Reputation points

2021-03-30T06:44:48.947+00:00

@Roy Li - MSFT : Thanks for your comment.
I tried that and several other things. What finally helped was removing Windows.Services.Store from my project assembly and putting all the purchase code in myproject.UWP.

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Same key in Windows.Services.Store.StorePackageInstallOptions