Keep Getting error called android.permission.Read_phone_state.

If Your are that app dev, then find the "Phone numbers" section on the page:

https://
developer.android.com/about/versions/11/privacy/permissions?hl=en

Everything is explained in detail (with an example) what you need to do for Android 11+ 😊 Look at attached picture.

You only need to make a minor change to the AndroidManifest.xml file, compile and upload a new apk/aab file.