Android studio getSlotFromBufferLocked: unknown buffer error

Question

I want to make a simple login and register app, so the user can create an account. (name, username, password) I use WAMP and a MYSQL database where I store the accounts.

Answer 1

Update your android OS to 6.0.1.

This was an open issue found here. The issue is fixed in Android 6.0.1 which was publicly released recently.