DevTools failed to link network resource to filesystem.

Platform: <Linux/Win/Mac>
Chrome version: <your chrome version>

What are the details of your project?
- Source code (if any): http://github.com/example/example
- Build System: gulp/grunt/webpack/rollup/...
- HTTP server: node HTTP/nginx/apache...

Assets failed to link (or incorrectly linked):
1.Stuck in gmail loading page 
2.
3.

If possible, please attach a screenshot of network sources navigator which should
show which resources failed to map