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Sharepoint Online Provider Hosted Add-in "Sorry, something went wrong with adding the app.

Massimo Mattiello 1 Reputation point
2021-06-24T15:31:19.96+00:00

I have created a very basic SharePoint app to test Remote Event Receivers and installed the application in the Sharepoint App Catalog; I did not receive any issue on that.
When i tried to install the app in the test site i receive the erro below.

109070-9f63d9be-5dc1-4656-97c3-37502b0d1ad6.png

I also tried to debug the app from Visual Studio but i still have the same issue

Can you please help me?

Thanks

Masismo

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  1. MichaelHan-MSFT 18,026 Reputation points
    2021-06-25T08:02:41.607+00:00

    Hi @Massimo Mattiello ,

    You could check the following:

    1. When you test the app in developer site, did everything work well?
    2. If you install the app in other sites, can you reproduce this issue?
    3. You could hover over the app to check the error details.

    If an Answer is helpful, please click "Accept Answer" and upvote it.
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  2. Massimo Mattiello 1 Reputation point
    2021-06-25T08:11:19.587+00:00

    Hi @MichaelHan-MSFT ,
    thanks for your answer.

    I tried to install the app in another site but i still have the same issue and if i check details this is what i can see.
    109190-image.png

    Attached i send you the Appmanifest.xml and the EventReceiver file that i used in Visual Studio for my testing, maybe there are some missing configuration or some issue.

    Thanks
    109341-elements.xml109312-appmanifest.xml

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