The SVG icons downloaded must be passed through the svgo tool in order for react to render them without any namespace or other errors. The following command will do this for you:
npm install -g svgo
svgo -f <input folder> -o <output folder>The SVG icons downloaded must be passed through the svgo tool in order for react to render them without any namespace or other errors. The following command will do this for you:
npm install -g svgo
svgo -f <input folder> -o <output folder>