Admin > Settings > SMS Settings
and set the Default SMS Gateway as Twilio.Account SID
and Auth Token and paste it in Admin > Settings > SMS Settings > Twilio Settings
Admin > Settings > SMS Settings
and set the Default SMS Gateway as MSG91Admin > Settings > SMS Settings > MSG91 Settings
Admin > Stores > Edit > SMS Notification for New Orders
)Admin > Users > Delivery Guys > Edit > SMS Notification for New Orders
)