Date: 2020aug22 Language: javaScript Q. Source map error request failed with status 404 Resource URL https://mysite/mything.min.js.map Source map URL mything.min.js.map In the browser console. A. This is occurring because your minified .js file has a line like:

//# sourceMappingURL=mything.min.js.map

If you don't have the .map file handy you can delete that line from the .js file to avoid the error.