innerError Error: Cannot find module '../build/Debug/pty.node'

[Frozen12]

I am a newbie here! Excuse my ignorance!
I deployed a forked repository [https://github.com/botgram/shell-bot/] on heroku which gave me error.

[LOG]
2021-06-10T09:31:20.044424+00:00 app[worker.1]: > [email protected] start /app
2021-06-10T09:31:20.044425+00:00 app[worker.1]: > node server.js
2021-06-10T09:31:20.044425+00:00 app[worker.1]:
2021-06-10T09:31:20.209163+00:00 app[worker.1]: innerError Error: Cannot find module '../build/Debug/pty.node'
2021-06-10T09:31:20.209165+00:00 app[worker.1]: Require stack:
2021-06-10T09:31:20.209165+00:00 app[worker.1]: - /app/node_modules/node-pty/lib/unixTerminal.js
2021-06-10T09:31:20.209166+00:00 app[worker.1]: - /app/node_modules/node-pty/lib/index.js
2021-06-10T09:31:20.209166+00:00 app[worker.1]: - /app/lib/command.js
2021-06-10T09:31:20.209167+00:00 app[worker.1]: - /app/server.js
2021-06-10T09:31:20.209168+00:00 app[worker.1]: at Function.Module._resolveFilename (internal/modules/cjs/loader.js:794:15)
2021-06-10T09:31:20.209168+00:00 app[worker.1]: at Function.Module._load (internal/modules/cjs/loader.js:687:27)
2021-06-10T09:31:20.209168+00:00 app[worker.1]: at Module.require (internal/modules/cjs/loader.js:849:19)
2021-06-10T09:31:20.209169+00:00 app[worker.1]: at require (internal/modules/cjs/helpers.js:74:18)
2021-06-10T09:31:20.209169+00:00 app[worker.1]: at Object. (/app/node_modules/node-pty/lib/unixTerminal.js:30:15)
2021-06-10T09:31:20.209170+00:00 app[worker.1]: at Module._compile (internal/modules/cjs/loader.js:956:30)
2021-06-10T09:31:20.209170+00:00 app[worker.1]: at Object.Module._extensions..js (internal/modules/cjs/loader.js:973:10)
2021-06-10T09:31:20.209171+00:00 app[worker.1]: at Module.load (internal/modules/cjs/loader.js:812:32)
2021-06-10T09:31:20.209171+00:00 app[worker.1]: at Function.Module._load (internal/modules/cjs/loader.js:724:14)
2021-06-10T09:31:20.209172+00:00 app[worker.1]: at Module.require (internal/modules/cjs/loader.js:849:19) {
2021-06-10T09:31:20.209172+00:00 app[worker.1]: code: 'MODULE_NOT_FOUND',
2021-06-10T09:31:20.209172+00:00 app[worker.1]: requireStack: [
2021-06-10T09:31:20.209173+00:00 app[worker.1]: '/app/node_modules/node-pty/lib/unixTerminal.js',
2021-06-10T09:31:20.209173+00:00 app[worker.1]: '/app/node_modules/node-pty/lib/index.js',
2021-06-10T09:31:20.209173+00:00 app[worker.1]: '/app/lib/command.js',
2021-06-10T09:31:20.209174+00:00 app[worker.1]: '/app/server.js'
2021-06-10T09:31:20.209174+00:00 app[worker.1]: ]
2021-06-10T09:31:20.209175+00:00 app[worker.1]: }
2021-06-10T09:31:20.211743+00:00 app[worker.1]: /app/node_modules/node-pty/lib/unixTerminal.js:35
2021-06-10T09:31:20.211744+00:00 app[worker.1]: throw outerError;
2021-06-10T09:31:20.211745+00:00 app[worker.1]: ^
2021-06-10T09:31:20.211745+00:00 app[worker.1]:
2021-06-10T09:31:20.211746+00:00 app[worker.1]: Error: The module '/app/node_modules/node-pty/build/Release/pty.node'
2021-06-10T09:31:20.211746+00:00 app[worker.1]: was compiled against a different Node.js version using
2021-06-10T09:31:20.211747+00:00 app[worker.1]: NODE_MODULE_VERSION 83. This version of Node.js requires
2021-06-10T09:31:20.211747+00:00 app[worker.1]: NODE_MODULE_VERSION 72. Please try re-compiling or re-installing
2021-06-10T09:31:20.211748+00:00 app[worker.1]: the module (for instance, using npm rebuild or npm install).
2021-06-10T09:31:20.211748+00:00 app[worker.1]: at Object.Module._extensions..node (internal/modules/cjs/loader.js:1003:18)
2021-06-10T09:31:20.211748+00:00 app[worker.1]: at Module.load (internal/modules/cjs/loader.js:812:32)
2021-06-10T09:31:20.211749+00:00 app[worker.1]: at Function.Module._load (internal/modules/cjs/loader.js:724:14)
2021-06-10T09:31:20.211749+00:00 app[worker.1]: at Module.require (internal/modules/cjs/loader.js:849:19)
2021-06-10T09:31:20.211750+00:00 app[worker.1]: at require (internal/modules/cjs/helpers.js:74:18)
2021-06-10T09:31:20.211750+00:00 app[worker.1]: at Object. (/app/node_modules/node-pty/lib/unixTerminal.js:26:11)
2021-06-10T09:31:20.211751+00:00 app[worker.1]: at Module._compile (internal/modules/cjs/loader.js:956:30)
2021-06-10T09:31:20.211751+00:00 app[worker.1]: at Object.Module._extensions..js (internal/modules/cjs/loader.js:973:10)
2021-06-10T09:31:20.211751+00:00 app[worker.1]: at Module.load (internal/modules/cjs/loader.js:812:32)
2021-06-10T09:31:20.211752+00:00 app[worker.1]: at Function.Module._load (internal/modules/cjs/loader.js:724:14)
2021-06-10T09:31:20.243797+00:00 app[worker.1]: npm ERR! code ELIFECYCLE
2021-06-10T09:31:20.245429+00:00 app[worker.1]: npm ERR! errno 1
2021-06-10T09:31:20.254345+00:00 app[worker.1]: npm ERR! [email protected] start: node server.js
2021-06-10T09:31:20.254586+00:00 app[worker.1]: npm ERR! Exit status 1
2021-06-10T09:31:20.254877+00:00 app[worker.1]: npm ERR!
2021-06-10T09:31:20.255141+00:00 app[worker.1]: npm ERR! Failed at the [email protected] start script.
2021-06-10T09:31:20.255413+00:00 app[worker.1]: npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
2021-06-10T09:31:20.262637+00:00 app[worker.1]:
2021-06-10T09:31:20.262995+00:00 app[worker.1]: npm ERR! A complete log of this run can be found in:
2021-06-10T09:31:20.263254+00:00 app[worker.1]: npm ERR! /app/.npm/_logs/2021-06-10T09_31_20_256Z-debug.log
2021-06-10T09:31:24.389789+00:00 app[worker.1]: Error waiting for network: Resource temporarily unavailable
2021-06-10T09:31:26.973699+00:00 heroku[worker.1]: Starting process with command npm start
2021-06-10T09:31:27.639131+00:00 heroku[worker.1]: State changed from starting to up
2021-06-10T09:31:29.873589+00:00 heroku[worker.1]: Process exited with status 1
2021-06-10T09:31:29.947884+00:00 heroku[worker.1]: State changed from up to crashed
2021-06-10T09:31:29.684662+00:00 app[worker.1]: