heroku deploy build error

[abuvanth]

There was an issue building your app. This can mean your app.json's project is not a valid Heroku application. Please ensure your app is deployable to Heroku and try again.

-----> Building on the Heroku-20 stack
-----> Determining which buildpack to use for this app
-----> Node.js app detected

-----> Creating runtime environment

       NPM_CONFIG_LOGLEVEL=error
       NODE_VERBOSE=false
       NODE_ENV=production
       NODE_MODULES_CACHE=true

-----> Installing binaries
       engines.node (package.json):  unspecified
       engines.npm (package.json):   unspecified (use default)

       Resolving node version 14.x...
       Downloading and installing node 14.16.0...
       Using default npm version: 6.14.11

-----> Installing dependencies
       Installing node modules
       npm ERR! code EAI_AGAIN
       npm ERR! errno EAI_AGAIN
       npm ERR! request to https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.0.1.tgz failed, reason: getaddrinfo EAI_AGAIN registry.npmjs.org

       npm ERR! A complete log of this run can be found in:
       npm ERR!     /tmp/npmcache.oQeO4/_logs/2021-04-02T06_07_48_057Z-debug.log
-----> Build failed

       We're sorry this build is failing! You can troubleshoot common issues here:
       https://devcenter.heroku.com/articles/troubleshooting-node-deploys

       Some possible problems:

       - Node version not specified in package.json
         https://devcenter.heroku.com/articles/nodejs-support#specifying-a-node-js-version

       Love,
       Heroku

 !     Push rejected, failed to compile Node.js app.
 !     Push failed

[dargmuesli]

Please try again at a later time and confirm this is not a temporary issue.

[abuvanth]

Issue resolved