Process is not defined

I'm getting this error after npm run start: process is not defined ReferenceError: process is not defined at ./node_modules/readable-stream/lib/_stream_writable.js (http://localhost:3000/architectui-react-pro/static/js/vendors-node_modules_namor_dist_index_js-node_modules_react-data-table-component_dist_index_c-2d6ee8.chunk.js:37042:18) at options.factory (http://localhost:3000/architectui-react-pro/static/js/bundle.js:76026:30) at __webpack_require__ (http://localhost:3000/architectui-react-pro/static/js/bundle.js:75380:32) at fn (http://localhost:3000/architectui-react-pro/static/js/bundle.js:75654:21) at hotRequire (http://localhost:3000/architectui-react-pro/static/js/bundle.js:76009:47) at ./node_modules/readable-stream/readable-browser.js (http://localhost:3000/architectui-react-pro/static/js/vendors-node_modules_namor_dist_index_js-node_modules_react-data-table-component_dist_index_c-2d6ee8.chunk.js:37880:20) at options.factory (http://localhost:3000/architectui-react-pro/static/js/bundle.js:76026:30) at __webpack_require__ (http://localhost:3000/architectui-react-pro/static/js/bundle.js:75380:32) at fn (http://localhost:3000/architectui-react-pro/static/js/bundle.js:75654:21) at hotRequire (http://localhost:3000/architectui-react-pro/static/js/bundle.js:76009:47)