Building, integrating, or customizing apps and workflows within Microsoft Teams using developer tools and APIs
anonymous user,
As the error message indicates, this is because shareDeeplink does not work on mobile platforms.
For more details, please refer to this article.
As we are working for office-teams-windows-itpro tag, which is for general problem of Microsoft Teams. Your question is more related to development. Hope some engineers supporting for office-teams-app-dev tag will provide more useful information. Thanks for your understanding.
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