The error occurs because node-polyfill-webpack-plugin@4.0.0 requires webpack@>=5, while the project uses webpack@4.47.0. To resolve this, the webpack configuration in payload.config.ts needs to be updated to include the required fallbacks and aliases, which allow the project to continue functioning without upgrading to webpack@5. Here’s how it can be resolved: Update the webpack configuration inside the payload.config.ts… Continue reading How do you resolve the npm install error caused by a conflict between webpack@4.47.0 and node-polyfill-webpack-plugin@4.0.0, which requires webpack@>=5, when working with Payload CMS?