Infinite loop in the bot when using adaptive dialogs and custom recognizer

[geo-msft]

Version

4.12.3

Describe the bug

A customer reported: When using adaptive dialogs with a custom recognizer, the bot remained stuck in a loop.

To Reproduce

Steps to reproduce the behavior: Talk to the bot and reach the custom recognizer. The bot does too many requests in a short amount of time because of the custom recognizer remaining stuck in a loop.

Expected behavior

The bot should reply only once.

Additional context

I shared the code internally.