No services token provided to Hubot

[mbettan]

Can you help with this error ?

node@e47cbf325718:~/hubot$ HUBOT_LOG_LEVEL=debug SLACK_LOG_LEVEL=debug  bin/hubot --name omi --adapter slack

> bufferutil@1.2.1 install /home/node/hubot/node_modules/bufferutil
> node-gyp rebuild

make: Entering directory '/home/node/hubot/node_modules/bufferutil/build'
  CXX(target) Release/obj.target/bufferutil/src/bufferutil.o
  SOLINK_MODULE(target) Release/obj.target/bufferutil.node
  COPY Release/bufferutil.node
make: Leaving directory '/home/node/hubot/node_modules/bufferutil/build'

> utf-8-validate@1.2.2 install /home/node/hubot/node_modules/utf-8-validate
> node-gyp rebuild

make: Entering directory '/home/node/hubot/node_modules/utf-8-validate/build'
  CXX(target) Release/obj.target/validation/src/validation.o
  SOLINK_MODULE(target) Release/obj.target/validation.node
  COPY Release/validation.node
make: Leaving directory '/home/node/hubot/node_modules/utf-8-validate/build'
omi@0.0.0 /home/node/hubot
+-- UNMET PEER DEPENDENCY coffee-script@^1.12.6
`-- hubot-slack@3.4.2 (git+https://github.com/keke/hubot-slack.git#7523c4ecb03b1d60f8113f78cb3736a48b1ef51f)
  `-- slack-client@1.5.1
    `-- ws@0.8.1
      +-- bufferutil@1.2.1
      | +-- bindings@1.2.1
      | `-- nan@2.6.2
      `-- utf-8-validate@1.2.2
        `-- nan@2.4.0

npm WARN hubot-help@0.2.2 requires a peer of coffee-script@^1.12.6 but none was installed.
[Sat Jul 08 2017 21:38:51 GMT+0000 (UTC)] DEBUG Loading adapter slack
[Sat Jul 08 2017 21:38:51 GMT+0000 (UTC)] ERROR No services token provided to Hubot

[hulmgulm-at-work]

Have you set this:
export HUBOT_SLACK_TOKEN=xoxb-…
?