If the warning in your console is distracting, use one of these solutions:
If you are building a web application, it is better to manage this via NPM to ensure all dependencies are correctly linked: npm install @popperjs/core --save Use code with caution.
You can download the specific map file directly from the UNPKG CDN or use the steps below to resolve the error. download popper.js.map
A ( .map file) is a bridge that allows developers to debug minified (compressed) code as if it were the original source.
To download the map file, navigate to the specific version you are using. Replace the .js extension with .js.map in your browser's address bar. Legacy (Popper v1): Download popper.min.js.map. Modern (Popper v2/Core): Download @popperjs/core map. If the warning in your console is distracting,
If you are seeing a 404 error for or popper.min.js.map in your browser console, it is usually because a library like Bootstrap is looking for this debugging file but cannot find it in your local directory.
Note: The older popper.js package is officially deprecated; use @popperjs/core for newer projects. To download the map file, navigate to the
If you are using Bootstrap, switch to bootstrap.bundle.min.js . This file already includes Popper , so you don't have to load it separately or worry about its map files.