Android : Android Firebase Database Error: Permission denied

Android : Android Firebase Database Error: Permission denied
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

As I promised, I have a secret feature to share with you.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Next, enter the letters 'awesome' on your keyboard.
It will change your youtube progress bar into a flashing rainbow.

A quick introduction about me,
Hello everyone, I'm Delphi.
I am available to help you find solutions to your inquiries.
Android : Android Firebase Database Error: Permission denied
I am always open to chatting or receiving comments from you if you have more specific queries.
Your thoughts and contributions are welcome, so please leave a comment below if you have an answer or insights to the answer.
Your answer will be appreciated and acknowledged with a 'heart' from me.
Database : Permission Android denied Error: Firebase Android