ERROR 404.3 Not Found for JSON file

This is because your IIS doesn’t have json MIME Type. Open IIS Manager -> Mime types -> Add a new mime type like below   Extension: .json MIME Type: application/json OR Insert mimeMap like below in web.config. <system.webServer> <staticContent> <mimeMap fileExtension=”.json” mimeType=”application/json” /> </staticContent> </system.webServer> Advertisements