(Need help) Error app not installed conflicts with an existing package

It Seem conflict problem when i try to install the application

and the result the application is force closed.

and there is error notification like this

please give me suggestion what should i do ?

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Sample_Test_2 (2).aia (34.3 KB)

As we discussed earlier it is working well from my side and make sure have you used same package name with any of your other app? Also check up previous version of app is already installed? If so clear all and try again

My extension package name is

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still doesnt have solution for my problem,
it happened when install older version of APK and then install with the new one (revision version)
web view function crash (force closed) when showing google form.