DevTools failed to load SourceMap: Could not load content for http://files.dgima.pro/themes/css/bootstrap-chosen.css.map: HTTP error: status code 300, net::ERR_HTTP_RESPONSE_CODE_FAILURE code example
Example 1: DevTools failed to load SourceMap: Could not load content for bootstrap.min.css.map
Delete /*# sourceMappingURL=bootstrap.min.css.map */ in css/bootstrap.min.css
and delete /*# sourceMappingURL=bootstrap.css.map */ in css/bootstrap.css
It is working for me.
I hope it will work for you also.
Namaste _/\_
Example 2: DevTools failed to load SourceMap: Could not load content for http://127.0.0.1:8000/bootstrap-select.min.js.map:
You need to go into Dev Tools settings and you need to unckeck
"Enable JavaScript source maps"
"Enable CSS source maps"