Cant send message from google message

[Android Central Question]

I wanted to send some message to my telecom operator from google message and an option came forward and asked allow or never allow and i accidently clicked never allow and now messages not getting send to telecom operator. but i can send messages to other contacts

 

[B. Diddy]

Welcome to Android Central! Which phone? On my Pixel 2 XL, go to Settings>Apps>Special App Access>Premium SMS Access, and make sure Android Messages has permission.