Twilio Integration WhatsApp and Local Message Issue

I am facing issues with Twilio Whatsapp Message and Normal Local messages.
The ERROR is.

HTTP 400 error: Unable to create a record: Twilio could not find a Channel with the specified From address

I have installed the Twilio App from GitHub.

Then I follow the Twilio documentation.

Hi, I am also trying to configure Twilio with ERPNext all done but there is no call receiving in ERPNext or popup can u please help in this. i am using free number from Twilio

Hello,

I’m also facing a similar issue while implementing Twilio service using Whatsapp.
Error - “HTTP 400 error: Unable to create record: The ‘To’ number whatsapp:None is not a valid phone number.”