Hubot with MS teams Integrations Errors

Hi,

I am facing an error " ERROR Error: POST to 'https://smba.trafficmanager.net/amer/v3/conversations/a%3A1M1lNpDImF5Ouh8UMNodCXPZbsdS3onLY245Vm_MI92dKy2SqzuQk9LfPR0k5Ck41mFOr2N0hw_fwfBQc38yjjdAbXqCTP3EjDB2OUvEGGf6oGtGdetyrsxp-rW5gGTD3/activities/1575457422662' failed: [400] Bad Request" when trying to see the reply in the ms teams custom developed app/bot.

Here are the steps which I am trying.
1. I am using hubot framework for creating the bots and then registered previously in 2018 and added various python & coffee scripts in the hubot framework.
2. I have followed the link "https://github.com/microsoft/BotFramework-Hubot" previously and the added scripts were working fine at that time.
3. But when I am trying to add new scripts in the recent days it is throwing the above error as mentioned.
4. The previously existing scripts were working fine but now when I am trying to add new functionalities it is trowing the above mentioned error.

The Hubot version which I am using are:

"botbuilder": "^3.13.1",
"hubot": "^2.19.0",
"hubot-botframework": "^0.10.1",
"hubot-conversation": "1.1.1",
"hubot-diagnostics": "0.0.1",
"hubot-health": "latest",
"hubot-help": "^0.2.0",
"hubot-hipchat": "^2.12.0-6",
"hubot-redis-brain": "0.0.3",
"hubot-rules": "^0.1.1",
"hubot-scripts": "^2.17.2"

and also tried with the below mentioned versions:

"botbuilder": ">=3.5.0 <4.0.0",
"botbuilder-teams": ">=0.2.1 <0.3.0",
"parent-require": "^1.0.0",
"hubot": "^2.19.0",
"hubot-botframework": "^0.10.1",
"hubot-conversation": "1.1.1",
"hubot-diagnostics": "0.0.1",
"hubot-health": "latest",
"hubot-help": "^0.2.0",
"hubot-hipchat": "^2.12.0-6",
"hubot-redis-brain": "0.0.3",
"hubot-rules": "^0.1.1",
"hubot-scripts": "^2.17.2"

Can someone please help me on fixing this.

Thanks,
Acharya