App is not installing after App Inventor building

Help me the package appears to be invalid.

I download it from my app inventor account and on the time of installing it is asking for play protect permission, after allowing it showing this screen.

We would have to get our crystal ball to answer that.

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Ask me about any information to help me, Don't worry an expert doesn't need a crystal ball.

As we can see from your other thread, you imported your project into Kodular and then tried to continue again in App Inventor

Don't do that... choose one builder and do not switch

Load your latest plain App Inventor version from your backup and restart from there

Taifun

I am recently used a Kodular inventor but I switched now on permanently on the App Inventor, I marked whole app in the Kodular it started errors in it, I switched to app inventor then.
Now I want to be a permanent App Inventor user.

Please help me to get out of this block lost and error situation, I know all you can do it.

:cry::sob:

Start a fresh AI2 project.

Try using designer copy and paste from the corrupted project to the new project, a screen at a time.

How to do a designer copy?

You probably have an outdated extension

I am attaching my aia file I don't think so that i am using a outdated extension, If i am using please guide me as a expert friend.
KinnkoMultiFun.aia (306.8 KB)

Highlight the current screen in the component hierarchy pane in the Designer, and hit Ctrl-C to copy the screen.

Switch to a fresh, empty screen, and hit Ctrl-V.

That should bring along all screen components and their event blocks.

Procedures and variables would need to be copied separately.

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Done But not extension are copied

reload the extensions

This is not working method for me.
Showing this while opening :

Try this one KinnkoMultiFun1.aia (924.9 KB)

Same problem occurs.

Such as, if you are referring to this then just ignore it.

Reboot your device and try again...

Yes I am referring to this, But why this occurs.
And what you has done with my aia file to fix the issue?

Now it is installing but giving too much of bugs like below on click on select SKU button :

It is installed but giving bugs, How do I and you can fix those?

Go to SelectSKUScreen and change FontTypeface to default

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How you fix those issue teach me as a mentor?