UserError: fatal error: ‘Cordova/CDVUserAgentUtil.h’ file not found You probably have a plugin which directly or indirectly uses UIWebView, which is no longer supported by Apple. A common reason is including cordova-plugin-uiwebview-engine in your project. Starting with cordova-ios 6.1, this is replaced by WKWebView, which is included automatically
Give proper solution - I am not able to find the solution on google. If you need any project related info, let me know, but give a proper understanding and solution…