CI - Heroku deployment getting failed

[vinaymavi]

Do you want to request a feature or report a bug?
Bug
What is the current behavior?
CI Build not getting deployed on heroku server
What is the expected behavior?
CI Build should get deployed on heroku server.

Error

Failed to build
{ Error: (client) ./pages/kitchen-sink.js
Module build failed: TypeError: Plugin 0 specified in "/tmp/build_29317023ba74c4ab4d3dc33c1c8c47e1/.babelrc" was expected to return a function but returned "undefined"
    at Function.normalisePlugin (/tmp/build_29317023ba74c4ab4d3dc33c1c8c47e1/node_modules/next/node_modules/babel-core/lib/transformation/file/options/option-manager.js:148:15)
    at /tmp/build_29317023ba74c4ab4d3dc33c1c8c47e1/node_modules/next/node_modules/babel-core/lib/transformation/file/options/option-manager.js:184:30
    at Array.map (<anonymous>)

HEAD detached at 09625a3
Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git checkout -- <file>..." to discard changes in working directory)
	modified:   package-lock.json
no changes added to commit (use "git add" and/or "git commit -a")
Dropped refs/stash@{0} (4df9882fb2ef2b04c765c8fb24e1dfbf038209c1)
deploy failed, build exited with code 1
failed to deploy