Unrecognized file extension 'map'. Supported extensions: css, csv, htm, html, js, yaml, bmp, gif, jpeg, jpg, ico, png, svg, tif, tiff, doc, docx, json, otf, pdf, ppsx, ppt, pptx, sldx, sxc, sxi, sxw, xlsx, xml, zip, woff, woff2, ttf.