Outlook-Add-in-SSO-NAA sample doesn't work in web version

[Icekettle]

I can run the Outlook-Add-in-SSO-NAA Outlook add-in sample without any issues on both New Outlook and Classic Outlook. However, when running it on the web version, an error occurs before the Get user data and Get user profile buttons appear, with the error message as follows:

Screenshots

Environment
OS: Windows10
Browser: Edge

Any hints or assistance would be greatly appreciated.

[Icekettle]

This is the error message from the screenshot:

Cannot read properties of null (reading '_appName')
TypeError: Cannot read properties of null (reading '_appName')
at Object.d [as callback] (https://appsforoffice.microsoft.com/lib/1/hosted/outlook-web-16.01.js:20:136755)
at F (https://appsforoffice.microsoft.com/lib/1/hosted/outlook-web-16.01.js:20:114556)

[subratakundu2312-web]

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[samantharamon]

@davidchesnut could you please help investigate this?

[davidchesnut]

Hi @Icekettle,

I can't reproduce this issue. It looks like this error occurs when the task pane HTML loads. I would guess it's something running in the Office.onReady function that for some reason is null. It's possible to debug the Office.onReady function, see Debug the initialize and onReady functions

However if the page isn't even loading that approach may not work. You might try to comment out line 31 in taskpane.ts where it calls accountManager.initialize(). Just to rule out if the problem is occurring in the initialization.

Does the task pane load correctly in other browsers besides Edge?

Thanks,
David

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