2DevTools failed to load SourceMap: Could not load content for http://localhost:3000/assets/css/bootstrap.min.css.map: HTTP error: status code 404, net::ERR_HTTP_RESPONSE_CODE_FAILURE code example
Example: DevTools failed to load SourceMap: Could not load content for
Open Developer Tools,
go to "Settings" for Developer Tools,
then uncheck Enable JavaScript Sourcemaps under the "Sources" settings.
Restart Browser if needed