Please Upgrade To Google Billing Library Version 3 Error When Uploading To Google Console

[izoralifestyle]

1) Hello, I built a simple app that doesn’t require payment or any sort. but while uploading to the Playstore. I got this error message

We’ve detected this app uses an unsupported version of Play billing. Please upgrade to Billing Library version 3 or newer to publish this app. Learn More about Billing Library 3.Preformatted text

2 How do I make a button load a website? because there seems not to any resources helping to do that?

3

[Michael]

1. Could you send your .pma project file on [email protected]. I’ll check it.
2. Can you describe in more detail what you are trying to do.