Unexpected error in Flowdo ck client: Error: Received status 500

Installed hubot with flowdock adapter but getting 500 error. Flowdock is opening from the same machine and robot name is same as flowdock login name. Hubot added to flows also.

C:\hubot>.\bin\hubot -a flowdock audited 252 packages in 1.573s found 7 moderate severity vulnerabilities run npm audit fix to fix them, or npm audit for details [Mon Dec 16 2019 13:51:14 GMT+0200 (GMT+02:00)] INFO Ignoring all messages from user ids 0

[Mon Dec 16 2019 13:51:14 GMT+0200 (GMT+02:00)] WARNING Loading scripts from hub ot-scripts.json is deprecated and will be removed in 3.0 (https://github.com/git hub/hubot-scripts/issues/1113) in favor of packages for each script.

Your hubot-scripts.json is empty, so you just need to remove it. [Mon Dec 16 2019 13:51:14 GMT+0200 (GMT+02:00)] ERROR hubot-heroku-keepalive inc luded, but missing HUBOT_HEROKU_KEEPALIVE_URL. heroku config:set HUBOT_HEROKU_K EEPALIVE_URL=$(heroku apps:info -s | grep web.url | cut -d= -f2) [Mon Dec 16 2019 13:51:15 GMT+0200 (GMT+02:00)] ERROR Unexpected error in Flowdo ck client: Error: Received status 500 :: Response Text: undefined

Hubot-flowdock dependencies

"dependencies": {
    "hubot": "^3.3.2",
    "hubot-diagnostics": "^1.0.0",
    "hubot-flowdock": "^0.7.8",
    "hubot-google-images": "^0.2.7",
    "hubot-google-translate": "^0.2.1",
    "hubot-help": "^1.0.1",
    "hubot-heroku-keepalive": "^1.0.3",
    "hubot-maps": "0.0.3",
    "hubot-pugme": "^0.1.1",
    "hubot-redis-brain": "^1.0.0",
    "hubot-rules": "^1.0.0",
    "hubot-scripts": "^2.17.2",
    "hubot-shipit": "^0.2.1"
  },

Any help will be greatly appreciated.

flowdock / hubot-flowdock

Unexpected error in Flowdo ck client: Error: Received status 500 #112