Live Chat Firebase Rules

Step 1 : Click on Realtime Database from left menu.

Step 2 : Switch to Rules tab

Step 3 : Replace code with the following code (same as shown in below image, if it’s not same already) and click on Publish button Code:
{
"rules": {
".read": "true",
".write": "true"
}
}

Step 4 : Click on Storage from left menu. 

Step 5 :  Click on Get Started 

Step 6 :  Follow the setup wizard and set the Storage rules as shown below:

Step 7 :  Click on Publish as shown below.