Microsoft Botframework channel messenger not working in development mode

Question

I need enable channel messenger for botframework. i make follow this guide: https://docs.microsoft.com/en-us/azure/bot-service/bot-service-channel-connect-facebook#enable-messenger

exclude "submit for review". i want test before submit review.

Until an app is published, it is in Development Mode. Plugin and API functionality will only work for admins, developers, and testers.

i am administrator for app & that page. i try chat but bot not working.

Env info:
Facebook API version: 2.12
Bot framework ver: 3.14
And i has migrated to azure bot service.

My bot screenshots:

Facebook app & web hook setting

Bot setting

Channel status

Skype channel status is ok

In messenger bot not working

Any one can help me ?

Thank in advance!

Answer 1

Problem solved!

My problem is: i detected a problem about my account "Your free credit has expired after i create new bot service. then i fix above issue, and bot worked.

Hope Azure service will show alert when create new channel for trial program.